Question

Will you please solve this and include the steps on how you solved?

Answer 1

Let's write x as our age and our cost as y -

 If x≤5 , y=0
If 5<x≤12, y=10 
If 12<x≤18, y=25
If x>18, y=35

It should be pretty straightforward to graph from there, but please ask if you're having any issues!