Use the story and graph to write fill in the table for each. Answer the questions. 1. Owen and Rachel are day traders. The value of their stocks in one afternoon is shown below.
t represents the time since 12 o'clock. For example, t = 2 represents 2 hours since 12 o'clock or 2 o'clock.
OWEN
RACHEL
140
130
120+
110 +
time since
noon
(hours)
4
7
value of
stocks
(S)
100 -
Owen
value of
stocks
(S)
90+
time since
noon
(hours)
0
5
80+
Value of stocks ($)
70
Rachel
60+
50+
40+
30+
20+
10+
time since noon
(hours)
a) Whose stock is worth more at 4 o'clock? By how much?
b) Find the point of intersection. What does it represent?
c) Find Owen's y-intercept. What does it represent in this situation?