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Michael H.

asked • 04/15/14

how do you do this step by step?

Use the given functions to find the requested function. f(x)=7x+6, g(x)=3x^2 Find (g-f)(x)

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Jim S. answered • 04/15/14

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g(f(x))=3((7x+6)²=3(49x²+84x+36)=147x²+252x+108

Jim

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Michael H.

that is a minus sign between the f and g not a multiple sign

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04/15/14

Philip P.

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g(x) = 3x², f(x) = 7x + 6

(g-f)(x) = g(x) - f(x) = 3x² - (7x+6) = 3x² -7x - 6

There are no like-terms in g(x) and f(x) to combine.

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04/15/14

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