Multiple choice

If a ball thrown straight up at a certain speed, at height h (in feet), after t seconds, is given by the formula h = 40t - 16t2. How many feet high will the ball be one second after it is thrown?

  1. 12

  2. 16

  3. 24

  4. 32

  5. 40

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the formula h = 40t - 16t2, h represents feet and t represents seconds. So, if t = 1, h = 40 - 16 = 24 feet.