III. Investigating y
3
f(x)
7.
On the same set of axes, graph y, and yz. Use a different color highlighter to outline y.
i.
yi-x-1
ii.
y2 -
X-
b.
State the domain and range of both functions.
8.
Repeat problem 7 for the following pairs of functions.
yi-x-4
and
y2
ii.
yı - x' - 9x
and
y2
*' -9%
*9.
What is the common feature among the intersection points of the graphs of yı and y? Explain why this
occurs.
.10.
State the relationship between the x-intercepts of yı and the graph of y.