Let and . Without performing detailed calculations, decide which function will have…

MATHEMATICS · Subjective · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

Let

r(x)=5x^3-2x

and

s(x)=-3x^4+7

. Without performing detailed calculations, decide which function will have the greater absolute value of

y

when

x=1{,}000

. State your answer with one supporting reason.