AnswersEA Pre-Calculus Credit RecoveryLogarithmic Functions and Their Graphs

Logarithmic Functions and Their Graphs Answers

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1
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If loga(3) = 5, what is the value of a5?

A
3
B
15
C
125
D
243
2
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Which of the following is true for the function y = log3(x)?

A
It is the inverse of the function y = x3.
B
It is the inverse of the function y = 3x.
C
It is the reciprocal of the function y = x3.
D
It is the reciprocal of the function y = 3x.
3

The graph of the logarithmic function y = loga(x) always passes through what point?

A
(0, 1)
B
(a, 0)
C
(0, a)
D
(1, 0)
4

If c 1, which of the following must be true?

A
logc(x) > logd(x)
B
logc(x) < logd(x)
C
logc(x) = logd(x)
D
none of the above

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