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math 1 question pls help asap!!!

posted by on .

Find the first four terms of the sequence represented by the expression.

3n + 5 (1 point)
5, 8, 11, 14
8, 11, 14, 17***
3, 6, 9, 12
0, 8, 11, 14

  • one more.....!!??? - ,

    8. Use the function rule .
    f(x) = 3x - 2.
    Find the output .
    f(1.5)
    (1 point)

    2.5
    –2.5
    6.5
    –6.5

    ummm.....no clue!

  • so sorry, this is the last one! - ,

    Identify the sequence as arithmetic, geometric, or neither. Explain your answer.

    1.6, 0.8, 0.4, 0.2, . . .
    (2 points)

    is this an ok response?:

    The sequence is geometric because it is being divided instead of adding/subtracting.

  • math 1 question pls help asap!!! - ,

    3n+5 is ok
    #8. No clue? really?
    For any x, f(x) = 3x-2
    So, when f(1.5), wherever you see an x, plug in 1.5:
    f(1.5) = 3(1.5)-2 = 4.5-2 = 2.5

    No. The sequence is geometric because there is a constant ration between terms. Multiplication and division are really the same thing. In this case, the common ratio is 0.5 each term is 1/2 the term before.

    Recall that geometric sequences are
    a, ar, ar^2, ar^3, ...

    It just happens that in this case r = 1/2

  • math 1 question pls help asap!!! - ,

    should i really put down what you said? im just saying, cuz dad said my answer was fine...

    but thanks!!:)

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