Question

How do you graph `f( x ) = \frac { 9x ^ { 2} + 9x - 18} { 3x + 6}`?

Answer 1

`f_((x))=3x-3 , x!=-2`

Explanation:

`(3x+6)(3x-3)`
`9x^2+18x-9x-18=9x^2+9x-18`
`=>`
`(9x^2+9x-18)/(3x+6)=3x-3`
`=>`
`f_((x))=3x-3 , x!=-2`
`=>`
`m=3`
`A=(0,-3)`
`B=(1,0)`
hole: `(-2,-9)`

graph (Note: I don't know how to use it properly, so be aware that (-2,-9) is an hole = should has a blank circle around it):
graph{3x-3 [-10, 10, -5, 5]}