Adding and Subtracting Fractions
Answers to Self Test
1 (a)
(b) 4
(c) -5
(d) -2
(e) 3
(f)

2 (a) 1
(b)
(c)

3
(a)
(b)
4 (a)

(b) The points should not be connected because only whole
bundles are sold.
(c) Domain ={0 £ Day £
7, Day Î W}
Range = {2 £ Total Tons £
7 ,
Total Tons Î Q} |