what is the slope of the following lines?
y=3x+1
y=3x+2
y=3x+4
answer choices:
(a) slope m= 3 for all three lines
(b) y= mx + b
(c) the slope is not given
(d) slope m = 1, m = 2,m =4
(e) slope m = 1 +2 +4 = 7 for all three lines