Does the equation y= 4x - 9 show a proportional relationship between x and y

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

Every rhombus is a square. true false

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