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MathematicsMathematics
6 February, 08:51

F (x) = x^3-2x+6

g (x) = 2x^3+3x^2-4x+2

Find (f-g) (x).

Select one:

a. x^3+3x^2-2x+4

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

c. 3x^3+3x^2-6x+8

d. - x^3-3x^2+2x+4

+4
Answers (1)
  1. 6 February, 10:37
    0
    d

    Step-by-step explanation:

    (f - g) (x) = f (x) - g (x)

    f (x) - g (x)

    = x³ - 2x + 6 - (2x³ + 3x² - 4x + 2) ← distribute parenthesis by - 1

    = x³ - 2x + 6 - 2x³ - 3x² + 4x - 2 ← collect like terms

    = - x³ - 3x² + 2x + 4 → d
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Home » Mathematics » F (x) = x^3-2x+6 g (x) = 2x^3+3x^2-4x+2 Find (f-g) (x). Select one: a. x^3+3x^2-2x+4 b. x^3+3x^2-2x-4 c. 3x^3+3x^2-6x+8 d. - x^3-3x^2+2x+4
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