Exercises 4-2 Monotonicity and Concavity 1. Use the Monotonicity Theorem to find where the given function is increasing and where it is decreasing. (a) h(z)=z^4/4-4 z^3/6 : (b) f(x)=e^-x/x^2;(10 points) Use the Monotonicity Theorem to find where the given function is increasing and where it is decreasing. (a)
f(t)=cos^(2)(t),0<=t<=2\pi