HP 40G 2Select.Slope, Move the cursor to x = 1 by pressing the *A,or, Choose the end value for

To find the slope of the quadratic function

To find the signed area of the two functions

13.Find the slope of the quadratic function at the intersection

0(18apoint.

)&1a

2Select.￿Slope￿

￿

The slope value is displayed at the bottom of the screen.

14.To find the area between the two functions in the range –2 ≤ x ≤ – , first move the cursor to F1(x) = 1 – x and

0(18aselect the signed area option.

)&1a

Select2. Signed area

15. Move the cursor to x = – 1 by pressing the *A,￿or *>,￿

2key.a.

16.Press 2.ato accept using F2(x) = (x + 3)2 – 2 as the other boundary for the integral.

17.Choose the end value for

*272ax

>￿￿￿@.2

The cursor jumps to x = –2 on the linear function.

Function aplet 3-5