y-intercept for blue line = 2, and blue line is going down so it has negative slope, so it could be B or C, and blue line is Y=-3x+2
As we can see slope for red line y is rise over run = 3/1=3
Slope equal 3, in B and C has Y= 3x-4,
So correct answer is C
C. Y= 3x-4 And Y= -3x+2
