Hw07-2.2-Derivative-Function: Problem 3 Problem Value: '1 point(s). Problem Score: 0%. Attempts Remaining: '12 attempts. Help Entering Answers | Similar Example Video ('1 point) Consider the function f(x) = 9x + 3. (a) Simplify the following difference quotient as much as possible f(x+h)- f(x) = h 2 (b) Use your result from (a) and the limit definition of the derivative to calculate r _. f(X+h)-f(x) _ fWm h - 2 (c) Use your answer from part (b) to evaluate the following f ' (-5) = Z (d) Use your answer from part (c) to find the equation of the tangent line to the curve at the point (5, f (-5))- y = Z