1 Answer

Angelik · Answer 1 · 2023-06-25T06:59:04+0000

Given the following function:

$F\mleft(x\mright)=2x+16$

You can rewrite the function as following:

You know that an element of it is:

$\mleft(x,-4\mright)$

Notice that:

Then, you can substitute this value into the function:

Finally, solve for "x":

$\begin{gathered} -4-16=2x \\ -20=2x \\ \\ (-20)/(2)=x \\ \\ x=-10 \end{gathered}$

The answer is:

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