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12 July, 05:31

Ada and Steve spend a certain amount of money from their accounts each week at a pet shelter. The table shows the relationship between the amount of money (y) remaining in Ada's account and the number of weeks (x) : Function 1: Number of Weeks (x) Amount Remaining (dollars) (y) 1 40 2 36 3 32 4 28 The equation shows the relationship between the amount of money, y, remaining in Steve's account and the number of weeks, x: Function 2: y = - 5x + 40 Which statement explains which function shows a greater rate of change?

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  1. 12 July, 07:00
    0
    Function 2 has a greater rate of change

    Step-by-step explanation:

    Function 1:

    Number of Weeks (x) 1 2 3 4

    Amount Remaining (dollars) (y) 40 36 32 28

    We can find the slope by using

    m = (y2-y1) / (x2-x1)

    = (40-36) / (1-2)

    = 4/-1

    = - 4

    Function 2:

    y = - 5x + 40

    Using y = mx+b

    The slope is - 5

    Function 2 has a greater rate of change
  2. 12 July, 08:03
    0
    S

    Step-by-step explanation:

    A: x 1 2 3 4

    y 40 36 32 28

    Slope is - 4 because the y-value changes by - 4 each time for every change of in x. The y-intercept (when x = 0) is another change of - 4, so it's 40+4 = 44. The equation is y=mx+b, which is

    y=-4x+44.

    S: y=-5x + 40

    Rate of change is the absolute value of the slope.

    A: |-4| = 4

    S: |-5| = 5

    S has a greater rate of change.

    I'm not what kind of sentence your teacher wants, but you can put that together.
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