SAT Math Practice Question #32128 - SATify | SATify
#32128
algebra
modeling
word problem
exponential
functions
medium
60 sec
The number of cells in a petri dish is modeled by the function N(h)=200(2)2.5h, where h is the number of hours after the initial observation. How many hours does it take for the number of cells to become 8 times the initial number?
• 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.