Jacob signs up to work for 2 1/2 hours at school carnival. if each work shift is 3/4 hours how many shifts will jacob work

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

What function has a range {yly< 5}? question on picture above^

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?