Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase 0.7235 euro, and one euro could purchase 141.119 yen. Let f ( x ) represent the number of euros you can buy with x dollars, and let g ( x ) represent the number of yen you can buy with x euros. a. Find a function that relates dollars to euros.

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Answer 1

Question

Chapter 6.1, Problem 67AE

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

a. Find a function that relates dollars to euros.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

b. Find a function that relates euros to yen.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

c. Use the results of parts (a) and (b) to find a function that relates dollars to yen. That is, find $(g \circ f) (x) = g (f (x))$

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

d. What is $g (f (1000))$ ?

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Graph without using the calculator y-1 = | x+4 |

Answer 2

Question

Chapter 6.1, Problem 67AE

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

a. Find a function that relates dollars to euros.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

b. Find a function that relates euros to yen.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

c. Use the results of parts (a) and (b) to find a function that relates dollars to yen. That is, find $(g \circ f) (x) = g (f (x))$

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

d. What is $g (f (1000))$ ?

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Answer 3

Question

Chapter 6.1, Problem 67AE

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

a. Find a function that relates dollars to euros.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

b. Find a function that relates euros to yen.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

c. Use the results of parts (a) and (b) to find a function that relates dollars to yen. That is, find $(g \circ f) (x) = g (f (x))$

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

d. What is $g (f (1000))$ ?

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Answer 4

Question

Chapter 6.1, Problem 67AE

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

a. Find a function that relates dollars to euros.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

b. Find a function that relates euros to yen.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

c. Use the results of parts (a) and (b) to find a function that relates dollars to yen. That is, find $(g \circ f) (x) = g (f (x))$

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

d. What is $g (f (1000))$ ?

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Answer 5

Chapter 6.1, Problem 67AE

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

a. Find a function that relates dollars to euros.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

b. Find a function that relates euros to yen.

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

c. Use the results of parts (a) and (b) to find a function that relates dollars to yen. That is, find $(g \circ f) (x) = g (f (x))$

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

d. What is $g (f (1000))$ ?

Answer 6

Chapter 6.1, Problem 67AE

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

a. Find a function that relates dollars to euros.

Answer 7

Chapter 6.1, Problem 67AE

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

a. Find a function that relates dollars to euros.

Answer 8

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

b. Find a function that relates euros to yen.

Answer 9

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

b. Find a function that relates euros to yen.

Answer 10

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

c. Use the results of parts (a) and (b) to find a function that relates dollars to yen. That is, find $(g \circ f) (x) = g (f (x))$

Answer 11

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

c. Use the results of parts (a) and (b) to find a function that relates dollars to yen. That is, find $(g \circ f) (x) = g (f (x))$

Answer 12

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

d. What is $g (f (1000))$ ?

Answer 13

To determine

To find: Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes. For example, on April 28, 2014, one U.S. dollar could purchase $0.7235$ euro, and one euro could purchase $141.119$ yen. Let $f (x)$ represent the number of euros you can buy with $x$ dollars, and let $g (x)$ represent the number of yen you can buy with $x$ euros.

d. What is $g (f (1000))$ ?

Answer 14

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Answer 16

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Answer 17

Ch. 6.1 - Find f(3) if f( x )=4 x 2 +5x . (pp. 202-206)Ch. 6.1 - Prob. 2AYP Ch. 6.1 - Prob. 3AYP Ch. 6.1 - Prob. 4CV Ch. 6.1 - Prob. 5CV Ch. 6.1 - Prob. 6CV Ch. 6.1 - If H=fg and H( x )= 254 x 2 , which of the...Ch. 6.1 - Prob. 8CV Ch. 6.1 - In Problems 9 and 10, evaluate each expression...Ch. 6.1 - In Problems 9 and 10, evaluate each expression...

Solution Summary: The author explains that Foreign Exchange Traders often buy foreign currency in the hope of making money when the currency's value changes.

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