Explain how [[$ y $]] depends on [[$ x $]] in your own words.

a) [[$ y = 4x $]]



b) [[$ y = \displaystyle\frac {1} {3}x $]]



c) [[$ y = \displaystyle\frac {5} {x} $]]



d) [[$ y = 7x^2 $]]



e) [[$ y = \displaystyle\frac {5} {x^2} $]]



f) [[$ y = \displaystyle\frac {2} {3}x^3 $]]