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2 July, 13:45

Evaluate 3x2 - 1 when x = 2.

ОА. 3

Ов. 5

C. 11 D. 35

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Answers (1)
  1. 2 July, 16:28
    0
    Answer:C or 11

    Step-by-step explanation:

    3x²-1

    First you insert x ... which is 2

    3 (2) ²-1

    then you square the 2. (multiply it by itself)

    3 (4) - 1

    Then you multiply 3 by 4 to get 12

    12-1

    And then you subtract for your answer

    11
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