Hi I need help with questions 12, 13, and 17 please.

4:40 D. webassign.net 12. [-/2 Points] DETAILS TANAPMATH7 9.5.040.NVA MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the slope m and an equation of the tangent line to the graph of the function f at the specified point. f ( x ) = xz x + 10' (1, 1/11) m: 13. [-/1 Points] DETAILS TANAPMATH7 9.2.080.NVA MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the intermediate value theorem to find the value of c such that f(c) = M. f(x) = x2 - x + 1 on [-1, 10]; M = 43 C = Need Help? Watch It 14. [1/1 Points] DETAILS PREVIOUS ANSWERS TANAPMATH7 9.5.008.NVA MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the Product Rule to find the derivative of the function. F(x) = (x3 - 4x)(5x2 + 4x) f '(x) = 25x4+ 16x3 - 60x2 - 32x 25x4 + 1613 - 60.12 - 32.x 15. [2/2 Points] DETAILS PREVIOUS ANSWERS TANAPMATH7 9.5.048.NVA MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the first and second derivatives of the function. f(x) = x5 - x4 + 5x3 -7x2 + 6x- 15 f '(x) = 5x4 - 4x3+ 15x2 - 14x + 6 5.24 - 4x3 + 15x2 - 14x + 6 f "(x) = 20x3 -12x2+ 30x - 14 203 - 12.x2 + 30x - 14 16. [1/1 Points] DETAILS PREVIOUS ANSWERS TANAPMATH7 9.6.004. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the derivative of the function. f (t ) = 3(13 - 7) 5 f ' (t ) = 4512 (3 - 7) 4 45 (+2 ) ( +3 - 7) " Need Help? Read It 17. [-/1 Points] DETAILS TANAPMATH7 9.1.031.NVA MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the indicated limit. lim (252 - 3)(25 + 6) Need Help? Watch It