Calculus MAT 301 Lab #4 Question 1 Suppose f(x) = x2 + 2x + l and P = {-3, 4). a) Find the derivative of f (x) at the point P using the definition of a derivative. b} Using the results in part a, find an equation of the tangent line to the graph of Hit) at the point. e) Display the graph of HF.) and the tangent line on the same coordinate system. Question 2 For the following functions: f(x) = x3 3352- 91: + 4 a) Find all critical points. b) Find all intervals where the function is increasing and decreasing. c} Find all points of inection, if any. (1) Find intervals where the function is concave up or concave down