The domain for f(x) and g(x) is the set of all real numbers. Let f(x) = 2×2 + x − 3 and g(x) = x − 1. Find f(x) • g(

Question

The domain for f(x) and g(x) is the set of all real numbers.

Let f(x) = 2×2 + x − 3 and g(x) = x − 1.

Find f(x) • g(x).

x2 − 4x + 3

2×3 − x2 − 4x + 3

2×3 − 4×2 + 3

2×3 − x2 + 4x − 3

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Answers ( No )

    0
    2021-10-11T06:26:22+00:00

    (2×2 + x − 3 )(x − 1.)

    = 4×3 + x2 – 3x – 2×2 – x + 3

    = 4×3 – x2 – 4x + 3

    option 4

    0
    2021-10-11T06:27:11+00:00

    Answer:

    b. 2x^{3} +x^{2} -4x+3

    Step-by-step explanation:

    f(x)=2x^{2} +x-3\\g(x)=x-1

    To find the product of these functions, each part of g(x) should be multiplied with each part of f(x)

    g(x)*f(x)\\=(x-1)*(2x^{2} +x-3)\\=2x^{3} +x^{2} -3x-2x^{2} -x+3\\=2x^{3} -x^{2} -4x+3

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