For the parametric equations and on the interval

MATHEMATICS · Subjective · AP · Calculus BC · Parametric, Polar, and Vector-Valued Functions · Parametric, Polar, and Vector-Valued Functions

Problem

For the parametric equations

x(t)=2t+1

and

y(t)=t^{3}-3t

on the interval

-2\le t\le 2

, determine the set of

t

-values for which the curve is concave up.