Question $1(1$ point$)$

Which function has a horizontal asymptote of $y=-\frac{2}{3}?$

a$)f(x)=\frac{2x3}{6x1}$

b$)f(x)=-\frac{4x3}{6x1}$

c$)f(x)=\frac{4x3}{6x1}$

d$)f(x)=\frac{7x-2}{5x3}$