Question

If f(x)=3^x+10 and g(x)=2^x-4, find (f-g)(x)

Answer 1

D

Explanation:

The value (f-g)(x) means subtract the function g from f. This can be done by combining only like terms between each.

`(f-g)(x) = 3^x + 10 -(2x-4)\\(f-g)(x) = 3^x + 10 -2x + 4\\(f-g)(x) = 3^x - 2x + 14`