Chapter 1: Polynomial Functions
Sample Solution—Motorcycles and Helmets (continued)
x Scroll through the table to find the number of lives predicted to have
been saved by each protective device in 2000 and 2006.
Graph
:
x
Press p to return to the Main Menu, press 5 to access the Graph
mode, then press u(DRAW) to view the graph.
x
To determine the y-value of each function when x = 10 and x = 16 both,
press
Ly(
, u for more options, and q(Y-Cal) to calculate
a y-value.
x
One of the graphs will begin flashing. Press l to select this graph, or
arrow down to a different graph and then press
l to select that graph
instead.
x
Input 10l for the x-value and the calculator will then identify the
corresponding y-value of the graph selected. Repeat this for x = 16.
x
Now, repeat all of these steps for the other two functions.
A
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