Question

How would I solve this

Answer 1

@mathmale

Answer 2

@roadjester

Answer 3

have you heard of the horizontal line test?

Answer 4

No i haven't please explain

Answer 5

basically, what you want to do is draw horizontal lines, and if they intersect the graph more than once, it does not have an inverse

Answer 6

If your graph were to intersect more than one point, it would NOT have an inverse, for example

Answer 7

A parabola, does not have an inverse