What are the slope and y-intercept of y=3x-5

When only separate discreet points are graphed it is called?

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

The quadratic function h(t)=-16.1t^2+150 choose the graph representation