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the line y=Dx+7 crosses the y-axis at the point (0,4)

 May 19, 2018
 #1
avatar+4296 
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Okay, so:

y=Dx+7

Plug 0 for, and 4 for y:

4=0(D)+7

0D=-3

D=-3/0

smileysmiley

 May 19, 2018

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