SAT Math Practice Question #39434 - SATify | SATify
#39434
fraction
functions
medium
75 sec
Calculator OK
The function k is defined by k(x)=ax+21, where a is a constant. If k(31)=67, what is the value of a?
• 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.
