AnswersAdvanced Financial AlgebraExponential Functions and Financial Literacy

Exponential Functions and Financial Literacy — Quiz Answers

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1
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Which represents exponential growth?

A
f⁡(x)=−2x
B
f⁡(x)=2x
C
f of x is equal to 2 raised to the negative x power
D
f⁡(x)=x2
2
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If the graph of an exponential function does not cross the x -axis, what does this imply about the asymptote?

A
It has a horizontal asymptote at y is equal to 0.
B
It has no asymptote.
C
It has a vertical asymptote.
D
It has a horizontal asymptote at y is equal to 1.
3

An investor wants to calculate the future value of his investment using the formula (3^3)^2 What does this represent for an investment that triples each year after 6 years?

A
27 times the original investment
B
9 times the original investment
C
81 times the original investment
D
729 times the original investment
5

Which function represents exponential decay with a decay rate of 25% ?

A
f⁡(x)=(0.75)x
B
f⁡(x)=(0.25)x
C
f⁡(x)=(1.25)x
D
f⁡(x)=4−x
6

How does the graph of an exponential decay function differ from an exponential growth function?

A
It falls to the right
B
It rises to the right
C
It has a negative y-intercept
D
It is a straight line
8

Simplify the expression (10^5)/(2^2) , which represents a bond that loses half its value every 5 years, to find its value after 10 years.

A
2 cubed times 5 squared
B
2 cubed times 5 to the 5th power
C
2 cubed times 5 cubed
D
2 to the 7th power times 5 to the 5th power

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Exponential Functions and Financial Literacy —…