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If [tex]f(x)=4x-12[/tex], what is [tex]f(2)[/tex]?

A. 4
B. -4
C. -20
D. 8

Sagot :

To determine the value of [tex]\( f(2) \)[/tex] given the function [tex]\( f(x) = 4x - 12 \)[/tex], we will substitute [tex]\( x \)[/tex] with 2 in the expression:

1. First, write down the function:
[tex]\[ f(x) = 4x - 12 \][/tex]

2. Next, substitute [tex]\( x \)[/tex] with 2:
[tex]\[ f(2) = 4(2) - 12 \][/tex]

3. Now, perform the multiplication:
[tex]\[ f(2) = 8 - 12 \][/tex]

4. Finally, subtract 12 from 8:
[tex]\[ f(2) = -4 \][/tex]

So, the value of [tex]\( f(2) \)[/tex] is [tex]\(-4\)[/tex]. The correct answer is:
[tex]\[ \boxed{-4} \][/tex]