Chapter 1: Polynomial Functions
e. Determine the arc length that must be removed to construct a cone with the
maximum volume.
Table
:
Sample Solution—Homemade Waffle Cones (continued)
x Press p to return to the Main Menu, then 7 to access the Table
mode.
x Input the equation for the volume of the cone as a function of the arc
length removed from the circle into Y
. [Notice: This may be
challenging for students, as they must be very careful to use grouping
symbols to ensure the order of operations are adhered to. Yet, the
natural display of the Casio PRIZM calculator allows the students to
quickly assess whether or not they entered the function correctly.]
x Now, press y(SET) to set the input values for x (a, arc length) to be
used in the table. Let’s create a table of arc lengths from 0 to 75
centimeters, inclusive. To do so, input the following values: S
0l, next to E
75l.
x Let’s set the S
value to be 5, meaning the x-values in the table will
be increasing by 5. Press
5l.
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