Let . On which of the following intervals is a real zero of guaranteed to…

MATHEMATICS · Single correct · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

Let

p(x)=x^{3}+2x+1

. On which of the following intervals is a real zero of

p

guaranteed to exist? (a)

[0,1]

(b)

[1,2]

(c)

[-1,0]

(d)

[-2,-1]