Question

Easy pints

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

A.3^x-6x+2
B.3^x+14x-2
C.3^x+6x+2
D.17x-2

Answer 1

`f(x)=3^x+10,\ g(x)=4x-2\\\\(f-g)(x)=f(x)-g(x)\\\\\text{Substitute}\\\\(f-g)(x)=(3^x+10)-(4x-2)=3^x+10-4x+2=\boxed{3^x-4x+12}`