f(x)=5x-3
(0,-13)
f(x)=3x+7
f(x)=3x-13
(3,0)
f(x)=4x+9
(5,0)
(-1,0)
(-17,0)
(-13,0)
f(x)=x+13
f(x)=4x-14
(7,0)
(9,0)
f(x)=3x+16
(-14,0)
(16,0)
f(x)=x+5
f(x)=2/x-1
f(x)=2/x-17