Don’t mind the equation above the plot. Hope this helps:)
Question 1: (0,2) because b value in mx+b is y-intercept
Question 2: plug in 4 for x you will get 1 so max is (4, 1)
Question 3: plug in -4 for x you will get -5 so min is (-4, -5)
Hope it helps :D
I think it’s b I hope I’m sosososososos sorry if it ain’t
The answer is a equals 6.