SAT Math Practice Question #34564 - SATify | SATify
#34564
optimization
quadratic equations
functions
hard
90 sec
The height of a ball thrown into the air is modeled by the function h(t)=−16t(t−5), where h(t) is the height in feet and t is the time in seconds after the ball is thrown. At what time, in seconds, does the ball reach its maximum height?
• 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.