Among the following functions

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

Problem

Among the following functions, which one possesses the greatest minimum value? (a)

f_2(x)=-3x^{4}

(b)

f_3(x)=x^{3}

(c)

f_1(x)=2x^{4}

(d)

f_4(x)=-x^{5}