The graph of passes through the points and

MATHEMATICS · Single correct · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions

Problem

The graph of

y=\log_a x

passes through the points

(1,0)

and

(4,2)

. Which of the following is the value of

a

? (a)

16

(b)

\dfrac{1}{2}

(c)

2

(d)

4