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Chapter 4: Graphing Features
7. Let's take a look at the graph.
8. Next, press t to find the
9. When the Table setting
10. Press t to show the table again. It indicates that when the
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The vertical axis represents
the Y value, while X is
represented by the horizontal
axis. It appears that the
two diagonal lines cross at
the point where the X value is somewhere between 2 and 3,
indicating that Orange Cab costs less than the other, after 3
miles of traveling.
values per graph increment.
When the traveling distance
is 2 miles, the Tomato Cab
charges 30 cents less overall
than the Orange Cab, but
it costs 30 cents more at 3 miles. To make the X increment
smaller, press @ y .
window appears, move the
cursor down to "TBLStep",
type . 5, and press
E. Now the Y values will
be sampled at every 0.5 mile.
X value is 2.5, both Y1 and Y2 values are 6.5. It is now clear
that if you are traveling 2.5 miles or more, the Orange Cab costs
less.
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