Question

How do you graph `y+1<4`?

Answer 1

graph{y<3 [-10, 10, -5, 5]}

Explanation:

Rearrange the equation so that y is the subject:

`y + 1 < 4`
`y < 4 - 1`
`y < 3`

This means that the answer is all the numbers that are below 3 on the y axis except 3 itself.