SAT Math Practice Question #30734 - SATify | SATify
#30734
equations
functions
medium
90 sec
The function f is defined by f(x)=3x+k(x+2), where k is a constant, and f(4)=30. What is the value of f(8)?
• 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.