Graphing Logarithmic Functions Answers

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1
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What is the inverse of the logarithmic function f(x) = log2x?

A
f –1(x) = x2
B
f –1(x) = 2x
C
f –1(x) = logx2
D
f –1(x) =
3

a = b = c =

Answer:

0.25

4

On a coordinate plane, a logarithmic functions intercepts the y-axis at (0, 1). On a coordinate plane, a logarithmic function goes through (0, 2.5) and (1.5, 0).

A
Option
B
Option
5

a = b = c =

Answer:

2

6

Question text not available

A
There is no power of 4 that is equal to 0.
B
There is no power of 4 that is equal to 1.
C
Its inverse does not have any x-intercepts.
D
Its inverse does not have any y-intercepts.
7

Both have a y-intercept of 1.Both increase from left to right.Both have an asymptote of x = 0.Both have a domain of all real numbers.

A
Both have a y-intercept of 1.
B
Both increase from left to right.
C
Both have an asymptote of x = 0.
D
Both have a domain of all real numbers.
10

Which is the graph of f(x) = log x + 3?

A
Option
B
Option
12

.

Answer:

1.

14

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

A
f(x) approaches negative infinity
B
f(x) approaches 0
C
f(x) approaches infinity
16

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

A
f(x) approaches negative infinity
B
f(x) approaches 0
C
f(x) approaches infinity

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