The graph of an exponential function passes through the points and

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

Problem

The graph of an exponential function passes through the points

(0,1)

and

(1,3)

. Which of the following equations represents this function? (a)

y=1+2^{x}

(b)

y=3^{x}

(c)

y=2^{x}

(d)

y=3^{x-1}