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Given the function fx) = 2(x + 8), find x if f(x) = 12. O a Ob -2

User Bravo
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1 Answer

1 vote

The function given:


f(x)=2(x+8)

We want to find the value of x for which the functional value is 12.

We simply plug in "12" in place of "f(x)" and then solve the function algebraically.

Show below is the process:


\begin{gathered} f(x)=2(x+8) \\ 12=2(x+8) \\ 12=2x+2(8) \\ 12=2x+16 \\ 12-16=2x \\ 2x=-4 \\ x=-(4)/(2) \\ x=-2 \end{gathered}

Correct Answer choice is C

User Klashagelqvist
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