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IB
Easy
Functions
10–12
If
f(x) = x^{2} - 4
, what is
f(3)
?
Se
f(x) = x^{2} - 4
, qual é
f(3)
?
Answer options
A.
9
B.
5
C.
7
D.
13
Check Answer
Solution
f(3) = 3^{2} - 4 = 9 - 4 = 5