Casio fx-CG10 Advanced Operation Manual page 66

Sample Solution—Trends in Nightly Rates for Hotels (continued)
Set the view window by pressing
average nightly hotel rates for each city as a function of the year from
2000 to 2020. To do this, we have chosen to set the input values for
the view-window as 0 to 20. Input the following values: X X min :
Xmax:
The average nightly hotel rate must be greater than or equal to 0; so we
have chosen to enter the following values:
Press
the graphs of the equations in the view-window you defined.
To estimate when the average nightly hotel rate of each city was increasing
and decreasing
Press
nightly hotel rate for one of the cities.
Fostering Advanced Algebraic Thinking with Casio Technology
; scale:
; scale:
to return to the equation screen, then
:
(G-Solv), then
(V-Window). Let's graph the
.
(Min) to find the minimum average
Y Y min :
; Ymax:
(DRAW) to draw
;