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24 August, 20:11

If f (x) = 2x2 +

+3, then which of the following represent f (x + 1) ?

0 2x²+2

Ox2 + 3

2x2 + 4x+1

2x2 + 4x + 5

+2
Answers (1)
  1. 24 August, 21:19
    0
    f (x + 1) = 2x² + 4x + 5

    Step-by-step explanation:

    Step 1: Plug in (x + 1) in as x in f (x)

    f (x + 1) = 2 (x + 1) ² + 3

    Step 2: Expand and distribute

    f (x + 1) = 2 (x² + 2x + 1) + 3

    f (x + 1) = 2x² + 4x + 2 + 3

    f (x + 1) = 2x² + 4x + 5
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