Question 301216
(-4, 1) and (3, 1)
Y=mX+b
m=(y2-Y1)/(X2-X1)=(1-1)/3+4)=0/7=0 this is an horizontal line through Y=1.
1=-4*0+b
b=1 the y intercept.
Y=1 ans. 
{{{ graph( 300, 200, -6, 5, -10, 10, y = 1) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = 1).