if for the function f(x) = kx^2 +7x-4 , f'(5) =97 find k Share with your friends Share 4 Varun.Rawat answered this We have : fx = kx2+7x-4⇒f'x = 2kx + 7Now, f'5 = 2k × 5 + 7 = 10k + 7 f'5 = 97⇒10k+7 = 97⇒10k = 90⇒k = 9 3 View Full Answer