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20 January, 20:18

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

Let f (x) = 3x + 5 and g (x) = x2.

Find (f - g) (x).

A) 3x^3 - 5x^2

B) x^2 - 3x - 5

C) - 3x^3 - 5x^2

D) - x^2 + 3x + 5

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Answers (1)
  1. 20 January, 20:44
    0
    D

    Step-by-step explanation:

    note (f - g) (x) = f (x) - g (x) = 3x + 5 - x²

    hence (f - g) (x) = - x² + 3x + 5 ← in standard form → D
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