5th grade math

Which pattern can describe the numbers 2,4,10,28, and so on?

A. For each number after first, add 4 to previous number in the list.
B. For each number after first, multiply the previous number by 3 and subtract 2.
C. For each number after first, add 2 or 6 to previous number.
D. For each number including the first, multiply by 2,3,4, and so on.

I chose answer C. Is that the correct answer? If not please explain what I did wrong.

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asked by jamar
  1. Please help! Is my answer correct?

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    posted by jamar
  2. well, does C work?

    2+2=4
    4+6=10
    10+2=28? Nope
    10+6=28? Nope

    You can see the numbers grow at an increasing rate. So, A and C cannot work.

    D is clearly wrong, so let's try B.

    3x2-2 = 4
    4x3-2 = 10
    10x3-2 = 28
    Looks like B to me.

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    posted by Steve
  3. what is this answer multiply 8 by 9, then multiply 4 by the result

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    posted by Landon

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