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Answered

Given f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f - g)(x)

Answer :

GHAITHGHIN

Answer:

[tex](f - g)(x) = {x}^{2} + 8x + 1[/tex]

Step-by-step explanation:

[tex](f - g)(x) = f(x) - g(x) \\ = (3 {x}^{2} + 7x) - (2 {x}^{2} - x - 1) \\ = (3 {x}^{2} + 7x) + ( - 2 {x}^{2} + x + 1) \\ = {x}^{2} + 8x + 1[/tex]

I hope I helped you^_^

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