Graphing Exponential Functions

Question 1

The domain of an exponential function is . The range of an exponential function is .

Revolt · Accepted Answer

A: all real numbers

Question 2

y = 3x

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B: b

Question 3

The domain of an exponential function is . The range of an exponential function is .

Revolt · Accepted Answer

C: positive real numbers

Question 4

y = 3−x

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A: a

Question 5

The graph of an exponential function has .

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B: a y-intercept only

Question 6

y = −3x

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C: c

Question 7

The graph is throughout its domain and has at the x–axis because the value bx can get very close to 0 but never reach it.

Revolt · Accepted Answer

C: increasing

Question 8

When b > 1, as x grows in the negative direction, y . When 0 < b < 1, as x grows in the negative direction, y .

Revolt · Accepted Answer

B: decreases

Question 9

The graph is throughout its domain and has at the x–axis because the value bx can get very close to 0 but never reach it.

Revolt · Accepted Answer

B: an asymptote

Question 10

When b > 1, as x grows in the negative direction, y . When 0 < b < 1, as x grows in the negative direction, y .

Revolt · Accepted Answer

A: increases

Graphing Exponential Functions Answers