SAT Math Practice Question #21278 - SATify | SATify
#21278
equations
functions
easy
60 sec
The function f is defined by f(x)=x2−7. For which positive value of x is f(x)=42?
• 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.
