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18 June, 07:54

Find the explicit formula and the type of function

X Y

-2 - 1

-1 - 3

0 - 5

1 - 7

2 - 9

+5
Answers (1)
  1. 18 June, 08:11
    0
    Let's examine this, as x increases by 1, what happens to the y-value? The y-value decreases by 2, so the slope is - 2. When x = 0, we have our y-intercept, - 5. So we can fill in Slope form with the Slope and Y-intercept that the equation is:

    y = - 2x - 5
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