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20 May, 14:51

What is the value of x3 + 4, when x = 6?

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Answers (2)
  1. 20 May, 15:50
    0
    Well let’s remember the rules of pemdas.

    Parentheses

    Exponents

    Multiplication

    Division

    Addition

    Subtraction

    Since 6 has a exponent of 3 we could do 6^3 before adding 4. 6^3 = 216

    So then we would have 216+4.

    That would equal 220. The value when x=6 is 220.
  2. 20 May, 16:44
    0
    Plug in 6 for x

    3 (6) + 4 = 22

    The value if 22, or you can write it like:

    f (6) = 22
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