Nina J.

asked • 10/17/20

If 𝑓(𝑥) = 𝑥/12, then find 𝑥 when 𝑔(𝑥) = 12

Liz Z.

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There needs to be more information here. Did it come with a graph or a value of f(x) or anything else?
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10/17/20

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Benjamin P. answered • 10/17/20

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I assume you meant f(x) = 12 instead of g(x). In that case, we are trying to solve the equation f(x) = 12, so we replace f(x) by its definition to get x/12 = 12. Multiply both sides by 12 to get x = 144, which is the answer.

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Nina J.

Actually the way I typed it in was on a math paper for me. I stated that it was able to be computed and the teacher marked my answer as incorrect. I was not able to ask him what is the correct way to perform this problem so I entered it on this site. Can this equation have a solution?
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10/18/20

Nina J.

I stated that the answer was NOT able to be computed- sorry for the typo.
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10/18/20

Nina J.

Actually, I asked another student and he was saying it does not compute, but I needed to describe why it was not an equation that could be solved.
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10/18/20

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