SAT Math Practice Question #35469 - SATify | SATify
#35469
absolute value
functions
hard
90 sec
The function k is defined by k(x)=∣x2−9∣. What is the minimum value of k(x)?
• 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.