20 Sketch the following mathematical functions on the sanic set of axes, for values of X be- tween 0 and 4.

a) = 10 + 4X

c) f = 10+ 4X - X

e) = 10-4X+X g) = 10(1.50)*

b) = 10+4X+X

d) = 10-4X

f) = 10-4X - X h) = 10(.50)*