erica0611 erica0611

09-05-2017
Mathematics

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If m(x) = x2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)?

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09-05-2017

(x^2 +3)(5x+9)

5x^3 + 9x^2 + 15x + 27

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