SAT Math Practice Question #36139 - SATify | SATify
#36139
applications
polynomials
functions
hard
100 sec
The temperature, in degrees Celsius, in a controlled environment is modeled by the function T(h)=−0.2(h−5)2+10, where h is the number of hours after 8:00 AM. For how many hours is the temperature at or above 8.2 degrees Celsius?
• 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.
