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A linear function ff models a relationship in which the dependent variable decreases 4 units for every 2 units the independent variable increases. The value of the function at 00 is −2−2.

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 Oct 21, 2019
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The slope is -4/2 = -2.

The y-intercept is (0, -2)

 

We can use this information to write an equation for the function and find the x-intercept, the x-intercept is the value of x when f(x) = 0:

f(x) = mx + b

f(x) = -2x -2

0 = -2x - 2

2 = -2x

-1 = x

 

The x-intercept is (-1,0)

 

Hope this helps!

SS

 Oct 21, 2019

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