Question

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Answer 1

Answer:

x    y

2   76

4  64

7  47

9  34

13  10

Step-by-step explanation:

If we have an initial value of 88, that would be the y intercept

The rate of change -6 which is the slope

y = -6x+88

Let x =2

y = -6(2) +88 =

      -12+88

      = 76

Let y = 64

64 = -6x +88

Subtract 88 from each side

64-88 = -6x

-24= -6x

Divide by -6

-24/-6 =x    x=4

Let y = 46

46 = -6x +88

Subtract 88 from each side

46-88 = -6x

-42= -6x

Divide by -6

-42/-6 =x    x=7

Let x =9

y = -6(9) +88 =

      -54+88

      = 34

Let y = 10

10 = -6x +88

Subtract 88 from each side

10-88 = -6x

-78= -6x

Divide by -6

-78/-6 =x    x=13