Which function has a derivative this is equal to 5 when x = 2?

a) g(x) = x^3-1

b) h(x) = \(1 \over x+1\)

c) f(x) =x^2+1

d) f(x) = 5x-3

I don't know if it's the wording, but I'm really confused on this. I found the derivative of each one at x =2 and none gives me 5.

Julius
Mar 8, 2018