Which of the following statements is true for ALL quadratic functions? a)They all have a minimum

b)The domain is (-∞, ∞)

c)They all have a maximum

d)The range is (-∞, ∞)

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.