solve and show work please

1. (See 2014 Question 5 for help) X -2 -2

1. 2. 3. a. b. (See 2014 Question 5 for help) 12 5 2 Positive Negative Negative Positive 8 O 0 Positive Negative Positive Positive 2 O 3 O Positive Positive Positive Negative 3 7 1 -2 The function j(x) = 2g(x). Find j'(-2). Show the computations that lead to your answer. (See 2007 Question 6 for help) Let h(x) be the function defined by cos(3x2+ ax), where a is a positive constant. Find f' (x) a. b. Find f "(x) (Hint: Product rule). (2012 Question 4 for help) The function f is defined by f (x) = In(x2 4). Find f' (x) Write an equation for the line tangent to the graph off at x = 3