Answered

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

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

Sagot :

GinnyAnswer
To find [tex]\( f(x) \)[/tex] when [tex]\( x = 8 \)[/tex], we substitute [tex]\( x \)[/tex] with 8 in the function [tex]\( f(x) = 6x - 4 \)[/tex].

Here are the steps to solve for [tex]\( f(8) \)[/tex]:

1. Start with the function definition:
[tex]\[ f(x) = 6x - 4 \][/tex]

2. Substitute [tex]\( x = 8 \)[/tex] into the function:
[tex]\[ f(8) = 6(8) - 4 \][/tex]

3. Multiply 6 by 8:
[tex]\[ 6 \times 8 = 48 \][/tex]

4. Subtract 4 from 48:
[tex]\[ 48 - 4 = 44 \][/tex]

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

So, when [tex]\( x = 8 \)[/tex], [tex]\( f(x) \)[/tex] is [tex]\( 44 \)[/tex]. The correct answer is:
[tex]\[ \boxed{44} \][/tex]
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