Question

What is the domain and range of `h(x) = (x^2 - 3x - 4) / (x - 4)`?

Answer 1

Domain and range are all real values of x and y.

Explanation:

We can write:
`h(x)=((x-4)(x+1))/(x-4)=x+1`

`y = x+1` is a straight line so will go through every value of x and have a value for every y.