Unit Test

Question 1

What is the inverse of the logarithmic function f(x) = log2x?

Revolt · Accepted Answer

B: f –1(x) = 2x

Question 2

Question 2

Revolt · Accepted Answer

A: There is no power of 4 that is equal to 0.; C: Its inverse does not have any x-intercepts.

Question 3

The point (–1, 0.5) lies on the graph of f –1(x) = 2x. Based on this information, which point lies on the graph of f(x) = log2x?

Revolt · Accepted Answer

B: (0.5, –1)

Question 4

What happens to the value of f(x) = log4x as x approaches 0 from the right?

Revolt · Accepted Answer

A: f(x) approaches negative infinity

Question 5

Question 5

Revolt · Accepted Answer

B:

Question 6

What happens to the value of f(x) = log4x as x approaches +∞?

Revolt · Accepted Answer

C: f(x) approaches infinity

Unit Test Answers