Question

f(x) = 2x^3/x^2 find f'(x)

Options:

1) f'(x) = 2

2) f'(x) = 2x^4

Please help me!

Answer 1

If you simplify f(x), you find ...

... f(x) = 2·x^(3-2) = 2·x^1 = 2x

The derivative of that is 2. The appropriate choice is ...

... 1)  f'(x) = 2