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If F(x) = x - 7 and G(x) = x^3, what is G(F(x))?
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If F(x) = x - 7 and G(x) = x^3, what is G(F(x))?

User Jem Tucker
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2 Answers

2 votes

Answer:

(x-7)^3

Explanation:

User Ectropy
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Hello, Chuck! Start with G(x) = x^3. Now replace "x" in G(x) with "F(x)" and replace "x" in x^3 with "x-7." That's it.

You could expand G(F(x))=(x-7)^3 if you wish, but that's not strictly necessary.
User Felix A J
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