Question

The graph below shows the cost of a taylor swift concert ticket according to customers age. How much does the ticket for the Taylor Swift concert cost for an 18 year old fan.

Answer 1

I believe the cost is $18

Answer 2

Hi there!

Your answer is:

It costs 15$ for an 18 year old fan!

Explanation:

This is due to the fact that the line y = 15 has a shaded in circle as an endpoint. When an endpoint is shaded, we know that THAT is the actual value.

Hope this helps!