1. Which set of parametric equations represents the function y= 2-6x?

a. x(t)= 1/3t
y(t)=2-2t

b. x(t)=-t
y(t)=2-6t

c. x(t)=2t
y(t)=2-3t

d. x(t)=t
y(t)=6t+2