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9 May, 23:57

Let f (x) = 2x2 + x - 3 and g (x) = x - 1. Find f (x) • g (x).

a. x2 - 4x + 3

b. 2x3 - 4x2 + 3

c. 2x3 - x2 + 4x - 3

d. 2x3 - x2 - 4x + 3

+5
Answers (1)
  1. 9 May, 23:59
    0
    (2x^2 + x-3) (x-1)

    = (2x^2 + x-3) * x + (2x^2 + x-3) * (-1)

    = 2x^3 + x^2 - 3x - 2x^2 - x + 3

    =2x^3 + x^2 - 2x^2 - 3x-x + 3

    = 2x^3 - x^2 - 4x + 3

    the answer is d
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Home » Mathematics » Let f (x) = 2x2 + x - 3 and g (x) = x - 1. Find f (x) • g (x). a. x2 - 4x + 3 b. 2x3 - 4x2 + 3 c. 2x3 - x2 + 4x - 3 d. 2x3 - x2 - 4x + 3
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