Page 22 - More Higher algebra

Example 4:

We are going to consider the function,

3
( − 1)
( ) =

for 2 ≤ ≤ 7. Plot ( ), − ( ), (− ), − (− )

First plot ( ), use the TABLE feature on your fx-

991ES calculator (w) and choose 7.

When you see f(X)= in the display, enter the following
keystrokes,
aQ(X)q(x )p1RHJ(X)=
3

Start? 2=

End? 7=

Step? 0.5=

18