Use a calculator with an e x key to solve Exercises 71-76. The bar graph shows the percentage of U.S. high school seniors who applied to more than three colleges for selected years from 1980 through 2013. The data can be modeled by f ( x ) = x + 31 and g ( x ) = 32 ⋅ 7 e 0 ⋅ 0217 x , in which f(x) and g(x) represent the percentage of high school seniors who applied to more than three colleges x years after 1980. Use these functions to solve Exercises 71-72. Where necessary, round answers to the nearest percent. In 1626, Peter Minuit convinced the Wappinger Indians to sell him Manhattan Island for $24. If the Native Americans had put the $24 into a bank account paying 5% interest. How much would the investment have been worth in the year 2010 if interest were compounded? a. monthly? b. continuously? The bar graph shows the percentage of people 25 years of age and older who were college graduates in the United States for eight selected years. The functions f ( x ) = 6 ⋅ 43 ( 1 ⋅ 027 ) r and g ( x ) = 40 ⋅ 9 1 + 6 ⋅ 6 e − 0 ⋅ 049 x
Use a calculator with an e x key to solve Exercises 71-76. The bar graph shows the percentage of U.S. high school seniors who applied to more than three colleges for selected years from 1980 through 2013. The data can be modeled by f ( x ) = x + 31 and g ( x ) = 32 ⋅ 7 e 0 ⋅ 0217 x , in which f(x) and g(x) represent the percentage of high school seniors who applied to more than three colleges x years after 1980. Use these functions to solve Exercises 71-72. Where necessary, round answers to the nearest percent. In 1626, Peter Minuit convinced the Wappinger Indians to sell him Manhattan Island for $24. If the Native Americans had put the $24 into a bank account paying 5% interest. How much would the investment have been worth in the year 2010 if interest were compounded? a. monthly? b. continuously? The bar graph shows the percentage of people 25 years of age and older who were college graduates in the United States for eight selected years. The functions f ( x ) = 6 ⋅ 43 ( 1 ⋅ 027 ) r and g ( x ) = 40 ⋅ 9 1 + 6 ⋅ 6 e − 0 ⋅ 049 x
Solution Summary: The author calculates the worth of 24 in 2010, invested in 1626, if the interest was compounded monthly with a rate of 5%.
Use a calculator with an
e
x
key to solve Exercises 71-76.
The bar graph shows the percentage of U.S. high school seniors who applied to more than three colleges for selected years from 1980 through 2013.
The data can be modeled by
f
(
x
)
=
x
+
31
and
g
(
x
)
=
32
⋅
7
e
0
⋅
0217
x
,
in which f(x) and g(x) represent the percentage of high school seniors who applied to more than three colleges x years after 1980. Use these functions to solve Exercises 71-72. Where necessary, round answers to the nearest percent.
In 1626, Peter Minuit convinced the Wappinger Indians to sell him Manhattan Island for $24. If the Native Americans had put the $24 into a bank account paying 5% interest. How much would the investment have been worth in the year 2010 if interest were compounded?
a. monthly? b. continuously?
The bar graph shows the percentage of people 25 years of age and older who were college graduates in the United States for eight selected years.
The functions
f
(
x
)
=
6
⋅
43
(
1
⋅
027
)
r
and
g
(
x
)
=
40
⋅
9
1
+
6
⋅
6
e
−
0
⋅
049
x
I used a function to model data from 1990 through 2015. The independent variable in my model represented the number of years after 1990, so the function’s domain was {x| x = 0, 1, 2, 3, ......, 25}.Determine whether the statement makes sense or does not make sense, and explain your reasoning.
A house painter has found that the number of job that he has each year is decreasing with respect to the number of years he has been in business. The number of jobs he has each year can be modeled as
104.35 jobs
j(x) =
X
where x is the number of years since 2004. The painter has kept records of the average amount he was paid for each job. His income per job is presented in the table.
Average Income per Job
Year
2004
2005
2006
2007
2008
2009
2010
Income (dollars)
430
559
727
945
1228
1597
2075
(a) Fill in the blanks to complete an exponential model for average income per job, p, with input x aligned to years since 2004. (Remember to paste the unrounded function model into your calculator
before reporting the answer with all numerical values rounded to three decimal places.)
p(x) =
dollars per job
gives the average amount the painter was paid per job x years since 2004✓ ✔
. 0≤x≤6
(b) The equation for the painter's annual income is t(x) = [j(x)p(x)
✔ dollars.
(c) Using the unrounded…
Create multiple representations (x-> y table, graph, and equation) of the function g(x)= 2/x. Then make at least 3 summary statements.
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