7. Klaus works after school. The graph shows his rate of pay.

a)

b) Yes it represents a linear relation because the points lie on a straight line and its a recursive pattern.

c) Yes its possible because you work in not whole hours.

10.The table of values represents a linear relation.

a)

b) The difference in the consecutive A values is 1 and the difference in the consecutive B values is 4.

c) 4 times A plus 1 equals or 4a+1

12. Speedy print shop charges $2 for the the first colour copies and $1 for each additional colour copy.

b) No because the points don't lie on a straight line and the cost($) is not a recursive pattern

c) c+1

d) 13

13. Craig travels at constant speed in kilometers per hour. The formula d= 15t represents the relationship.

a) d represents distance and t represents time

b) 15 represents how many kilometers Craig travels per hour.

c)

d)

e) Yes its possible because you could travel in not whole hours.

f)120 km

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