Identify the horizontal asymptote of the exponential function .

MATHEMATICS · Single correct · A Level · Mathematics · Exponentials and logarithms · Exponentials and logarithms

Problem

Identify the horizontal asymptote of the exponential function

f(x)=7\cdot 3^{x}

. (a)

y=7

(b)

y=0

(c)

x=0

(d)

y=3