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If [tex][tex]$f(x)=6x-4$[/tex][/tex], what is [tex][tex]$f(x)$[/tex][/tex] when [tex][tex]$x=8$[/tex][/tex]?

A. 2
B. 16
C. 44
D. 52

Sagot :

To solve the function [tex]\( f(x) = 6x - 4 \)[/tex] for [tex]\( x = 8 \)[/tex], follow these steps:

1. Substitute [tex]\( x \)[/tex] with 8 in the function: We have the function [tex]\( f(x) = 6x - 4 \)[/tex]. We want to find [tex]\( f(8) \)[/tex], so we replace [tex]\( x \)[/tex] with 8:
[tex]\[ f(8) = 6 \cdot 8 - 4 \][/tex]

2. Perform the multiplication: Multiply 6 by 8:
[tex]\[ 6 \cdot 8 = 48 \][/tex]

3. Subtract 4 from the result: Take the result of the multiplication and subtract 4:
[tex]\[ 48 - 4 = 44 \][/tex]

Therefore, [tex]\( f(8) = 44 \)[/tex].

So, when [tex]\( x = 8 \)[/tex], [tex]\( f(x) = 44 \)[/tex].