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#38147

functions

applications

medium

60 sec

Calculator OK

An object is dropped from the top of a building. Its height above the ground, $h (t)$ , in feet, $t$ seconds after being dropped, is modeled by the function $h (t) = - 16 t^{2} + b$ , where $b$ is a constant. If the object hits the ground 8 seconds after being dropped, what is the height of the building in feet?

• 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.