These Questions Are Not For Credit In Class But I Need Explanations And Answers To Learn And Practice For Exam

Math 312 Homework 10 You may use the following facts without proof: 0 The functions sin 3:, cos 3:, and cm are difl‘erentiable on R,
and their derivatives are cos :c, — sin :c, and em, respectively. since
=1. o iim
3—H] Pmctice problems (do not submit): o Prove that the derivative of a constant function is 0.
0 Let f(:c) = (1:6 + b. Prove that f’(:c) = a for all 3:. Math