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4-68.

On your paper, copy and complete each table below. Using what you know about and , write an equation that represents the data in the table. Homework Help ✎

  1. x

    y

    0
    1
    2
    3
    4
    30
    200

    x

    5
    7
    9
    11
    13


    505

    Look for a connection between the input and the output. Use the equation as a guideline.

    What is the starting point? ( -intercept )

    What is the growth rate?

  1. x

    y

    0
    1
    2
    3
    4
    30
    150
    300
    x

    4
    2
    0
    –2
    –4



    Follow the steps in part (a).

  1. x

    y

    –2
    –1
    0
    1
    2
    3
    100

    x

    7
    4
    1
    –2
    –5


    70