SAT Math Practice Question #20716 - SATify | SATify
#20716
functions
linear
easy
30 sec
Calculator OK
The function k is defined by k(x)=21x−4. What is the y-intercept of the graph of y=k(x) in the xy-plane?
• 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.