AnswersCA-Mathematics IExponential Growth Functions

Exponential Growth Functions Answers

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1
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The initial value is.

A
0
B
1/3
C
1
D
3
2
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The base, or rate of change, is.

A
-1
B
1/3
C
1
D
3
3

The domain is.

A
> 0
B
< 0
C
4 > 0
D
all real numbers
4

Which is an exponential decay function?

A
f(x) = 0.2 x
B
f(x) = –3.1x
C
f(x) = 10x
D
f(x) = −2(0.7)x
5

Which is the graph of f(x) = (2)-x ?

A
Option
B
Option
C
Option
6

Jason estimates that his car loses 12% of its value every year. The initial value is $12,000. Which best describes the graph of the function that represents the value of the car after x years?

A
f(x) = 12,000(0.12)x, with a horizontal asymptote of y = 0
B
f(x) = 12,000(1.12)x, with a vertical asymptote of x = 0
C
f(x) = 12,000(0.88)x, with a horizontal asymptote of y = 0
D
f(x) = (12,000 0.88)x, with a vertical asymptote of x = 0

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