A(a;b) B(-3;6) C(1;4) D(1;-1) are the vertices of a quadrilateral. 2.3.1 Write down the equation of line CD​

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step-by-step explanation:

times by times

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

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part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

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step-by-step explanation: