Reflections of Exponential Functions: Quiz

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Which function represents a reflection of f(x) = 3/8(4)x across the y-axis?

D. g(x)=3/8(4)^-x

Which is the domain of the function f(x) = -5/6(3/5)?

A. All real numbers

he function g(x)=8(4x) is reflected across the x-axis to create f(x). What is the equation of f(x)?

B. f(x)=-8(4)^x

Which is the range of the function f(x) =1/7(9)x?

C. All real numbers greater than zero.

Which function represents g(x), a reflection of f(x) = 6(1/3)^x across the y-axis?

g(x)=-6(1/3)^-x

The function f(x) = 1/6 (2/5)^x is reflected across the y-axis to create the function g(x). Which ordered pair is on g(x)?

A. (-3, 4/375)

The graph of f(x) = 6(0.25)x and its reflection across the y-axis, g(x), are shown. What is the domain of g(x)?

A. All real numbers

Which graph represents a reflection of f(x) = 2(0.4)x across the y-axis?

A. Graph 1

Which function represents g(x), a reflection of f(x) = 2/5(10)x across the x-axis?

A. g(x)=-2/5(10)^x

How are the two functions f(x) = 0.7(6)x and g(x) = 0.7(6)-x related to each other?

B. g(x) is the reflection of f(x) over the y-axis.


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