Given the graph below and the equation y = 4x, determine which function has the greatest rate of growth?

Answer question above and explain each step : )

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Can someone answer this question for me