SAT Math Practice Question #20962 - SATify | SATify
#20962
functions
easy
30 sec
Calculator OK
The function k is defined by k(x)=21(23−x)2−25. What is the value of k(23)?
• 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.