(1 point) The limit lim cos( 7 + h) - (-1) h represents f' (a) for some function f and some number a. Find f(x) and a. h-0 f(ac) = a Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times.\ I PUIIII' Let f($) = |:z; 4|. Evaluate the following limits. hm f(:v) M) = E] mail a: 4 . f($) f(4) 3:? x_4 =0 True or false? The function f($) is differentiable at 4. ? Note: You can earn partial credit on this problem, Preview My Answers Submit Answers Find dy da -3, given that y = 2+7 dy dx x= 3 Preview My Answers Submit AnswersThe tangent line to y : ag) at (9, 1) passes through the point (4, 7). Compute the following. a.) f(9) = b.) f'(9) : Note: You can earn partial credit on this problem. Preview My Answers Submit Answers If 5 f (ac) = 4ac Vac+ then f' (ac) =