Consider the function

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

Problem

p(x)=4\,(0.8)^{x}

. Which of the following statements correctly describes its graph? (a) It is an increasing curve with y-intercept

4

and horizontal asymptote

y=0

. (b) It is a decreasing curve with y-intercept

4

and horizontal asymptote

y=0

. (c) It is a decreasing curve with y-intercept

0.8

and horizontal asymptote

y=0

. (d) It is a decreasing curve with y-intercept

0.8

and horizontal asymptote

y=4