Find the missing fact from the fact family..9+6=15 15-9=6 6+9=15

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Which point is a solution to y s 4x + 5?

Ineed here’s a picture of the question