AP

MATHEMATICS · Single correct · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

f(x)=\begin{cases}2x^2+\frac{2}{x^2},&0<|x|\leq2\\3,&x>2\end{cases}

, then: (1)

x=1,-1

are the points of global minima. (2)

x=1,-1

are the points of local minima. (3)

x=0

is a point of local minimum. (4) None of the above.