Multiple Choice Given a function

MATHEMATICS · Single correct · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

64. Multiple Choice Given a function

f

, which of the following represents reflection across the

x

-axis, followed by a horizontal shrink by a factor of

1 / 2

? (A)

y=-2 f(x)

(B)

y=-f(x) / 2

(C)

y=f(-2 x)

(D)

y=-f(x / 2)

(E)

y=-f(2 x)