Question #1

Question 1: Recall that a function f is even if f(-x) = f(x), and odd if f(-x) = -f(x). (a) Using the chain rule, show that the derivative of an odd function is an even function. (b) Using first principles (and a change of variables), show that the derivative of an even function is an odd function Question 2: A spotlight on the ground shines on the wall 12m away. If a man 2m tall walks from the spotlight towar