110 HOW DO YOU SEE IT? Match the
description of the situation with its graph,
Also determine the slope and y-intercept
of each graph and interpret the slope and
y-intercept in the context of the situation
[The graphs are labeled (i), (i), (iii) and (iv).
(10)
200
30
20
10-
150
100
50
+2 4 6 8
++
-2 +2 4 6 8 10
(iv)
30
800
600
20
15
10
400
200
2 4 6 8
2 4 6 8
(a) A person is paying $20 per week to a friend to
repay a $200 loan
(b) An employee receives $12.50 per hour plus $2
for each unit produced per hour
(c) A sales representative receives $30 per day for
food plus $0.32 for each mile traveled,
(d) A computer that was purchased for $750
depreciates $100 per year,