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12 September, 13:53

Evaluate 3x^2 - 4 when x = 2.

A. 12

B. 2

C. 8

D. 32

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Answers (1)
  1. 12 September, 14:12
    0
    When x = 2

    3x^2 = 3*4 = 12

    12-4 = 8

    C. is the answer
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