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 $(f-g)(x)=\frac{3}{x^4}-x-2$