Loading...

#15299

functions

polynomials

applications

medium

25 sec

A toy rocket is launched from a platform. Its height above the ground, in meters, is given by the function $p (t) = - 5 t^{2} + 40 t + 120$ , where $t$ is the time in seconds since launch. What is the height, in meters, of the platform from which the rocket was launched?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.