The height of a ball in feet is modeled by f(x) = -16x^2 + 80x, which is shown below, where x is the time in seconds after it is hit. How long is the ball in the air? Explain how you know.​

Astudent simplified a rational expression as shown.

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12