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F(x)=x+2 g(x)=3x^2-5 find (f•g)(x)
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F(x)=x+2 g(x)=3x^2-5 find (f•g)(x)

User Finks
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1 Answer

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Answer:

(f•g)(x) = 3x^3 +6x^2 -5x -10

Explanation:

(f•g)(x) = f(x)•g(x) = (x +2)(3x^2 -5)

= x(3x^2 -5) +2(3x^2 -5) . . . . . . . . use the distributive property

= 3x^3 -5x +6x^2 -10 . . . . . . . and again

(f•g)(x) = 3x^3 +6x^2 -5x -10 . . . . put in standard form

User Dantio
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