SAT Math Practice Question #20430 - SATify | SATify
#20430
functions
applications
medium
90 sec
Calculator OK
The function C(d)=85−0.75d models the amount of money, in dollars, remaining on a gift card after d purchases. According to the model, what is the predicted amount, in dollars, spent from the gift card for each purchase?
• 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.