Precalculus Enhanced with Graphing Utilities (7th Edition)

7th Edition

ISBN: 9780134119281

Author: Michael Sullivan, Michael Sullivan III

Publisher: PEARSON

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Chapter 10.2, Problem 11CV

Answer Problems 9-12 using the figure.

If $a = 4$ , then the coordinates of the focus are _______.

(a) $(- 1, 2)$ (b) $(3, - 2)$ (c) $(7, 2)$ (d) $(3, 6)$

Chapter 10.2, Problem 11CV, Answer Problems 9-12 using the figure. If a=4 , then the coordinates of the focus are _______. (a) (

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Chapter 10.2, Problem 10CV

Chapter 10.2, Problem 12CV

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There are three options for investing $1150. The first earns 10% compounded annually, the second earns 10% compounded quarterly, and the third earns 10% compounded continuously. Find equations that model each investment growth and use a graphing utility to graph each model in the same viewing window over a 20-year period. Use the graph to determine which investment yields the highest return after 20 years. What are the differences in earnings among the three investment? STEP 1: The formula for compound interest is A = nt = P(1 + − − ) n², where n is the number of compoundings per year, t is the number of years, r is the interest rate, P is the principal, and A is the amount (balance) after t years. For continuous compounding, the formula reduces to A = Pert Find r and n for each model, and use these values to write A in terms of t for each case. Annual Model r=0.10 A = Y(t) = 1150 (1.10)* n = 1 Quarterly Model r = 0.10 n = 4 A = Q(t) = 1150(1.025) 4t Continuous Model r=0.10 A = C(t) =…

Chapter 10 Solutions

Precalculus Enhanced with Graphing Utilities (7th Edition)

Ch. 10.2 - The formula for the distance d from P 1 =( x 1 , y...Ch. 10.2 - To complete the square of x 2 4x , add_______...Ch. 10.2 - Use the Square Root Method to find the real...Ch. 10.2 - The point that is symmetric with respect to the...Ch. 10.2 - To graph y= ( x3 ) 2 +1 , shift the graph of y= x...Ch. 10.2 - A( n ) _____ is the collection of all points in a...Ch. 10.2 - The line through the focus and perpendicular to...Ch. 10.2 - For the parabola y 2 =4ax , the line segment...Ch. 10.2 - Answer Problems 9-12 using the figure. If a0 , the...Ch. 10.2 - Answer Problems 9-12 using the figure. The...

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Answer Problems 9-12 using the figure. If a = 4 , then the coordinates of the focus are _______. (a) ( − 1 , 2 ) (b) ( 3 , − 2 ) (c) ( 7 , 2 ) (d) ( 3 , 6 )

Solution Summary: The author explains the formula used to determine the co-ordinates of the focus from the given option if a = 4.

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Chapter 10 Solutions