Question

If f(x)=2x^+1 and g(x)=x^-7, find (f-g)(x)

Answer 1

(f-g)(x) = 2x - x^(-7)

Explanation:

We know that

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

g(x)=x^-7 = x^(-7)

Then, we just need to subtract both functions

(f-g)(x) = f(x) - g(x) = 2x - x^(-7)

(f-g)(x) = 2x - x^(-7)

Please, see attached images for more information