Question

If f(x)=3^x+10x and g(x)=5x-3, find (f-g)(x)

Answer 1

`3^x+5x+3`

Explanation:

Given that,

`f(x)=3^x+10x`

and

`g(x)=5x-3`

We need to find (f-g)(x).

We know that,

(f-g)(x) = f(x)-g(x)

`=3^x+10x-(5x-3)\\\\=3^x+10x-5x+3\\\\=3^x+5x+3`

So, the value of (f-g)(x) is
`3^x+5x+3`.