Answer :

Lilith
[tex](1, 4), \ \ (2 , 8 ) \\ \\ slope \\ \\ m = \frac{8-4}{2-1}=\frac{4}{1}=4 \\ \\y=ax+b[/tex]

[tex]4=4*1+b\\ \\b=4-4\\ \\b=0 \\ \\y=4x[/tex]



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