SAT Math Practice Question #35813 - SATify | SATify
#35813
functions
exponential
medium
75 sec
For the exponential function f, the table shows four values of x and their corresponding values of f(x).
x
f(x)
-1
32
0
8
1
2
2
1/2
What is the value of f(21)?
• 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.
