An exponential curve passes through the points and

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

Problem

An exponential curve passes through the points

(0,1)

and

(3,8)

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

y = 8^{x}

(b)

y = 2^{\tfrac{x}{3}}

(c)

y = 2^{x}

(d)

y = 2^{x-1}