Question

Given `f(x)=3x^2+2, g(x)=4x, h(x)=7x-1`, how do you determine the combined function of `y=f(x)+g(x)-h(x)`?

Answer 1

`y=3x^2-3x+3`

Explanation:

`y=f(x)+g(x)-h(x)=3x^2+2+4x-(7x-1)=`

`y=3x^2+2+4x-7x+1=3x^2-3x+3`

It's like simple addition and substraction