The exponential function satisfies and

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

Problem

The exponential function

q(x)=a b^{x}

satisfies

q(-1)=2

and

q(3)=32

. Determine the ordered pair

(a,b)

. (a)

(2,4)

(b)

(8,4)

(c)

(4,2)

(d)

(4,4)