Find the intervals in which the function given by is

MATHEMATICS · Multi-part · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

4. Find the intervals in which the function

f

given by

f(x)=x^{3}+\frac{1}{x^{3}}, x \neq 0

is (i) increasing (ii) decreasing.