Question

If f(x0=3x^-4 and g(x)=x+2 find (f-g)(x)

Answer 1

So for this, our equation is gonna be
`(f-g)(x)=3x^(-4)-(x+2)`

Firstly, reverse the signs in (x+2)
`(f-g)(x)=3x^(-4)-x-2`

Next, change 3x^-4 to 3/x^4, and your answer will be
`(f-g)(x)=(3)/(x^4)-x-2`