HP 39g+ Graphing Calculator Podręcznik Użytkownika Pobierz pdf (Strona 67)

100

101

Function aplet 3-5

12.Choose the linear function whose intersection with the

quadratic function you wish to find.

The coordinates of the

intersection point are

displayed at the

bottom of the screen.

Note: If there is more

than one intersection

(as in our example), the coordinates of the

intersection point closest to the current cursor position

are displayed.

To find the slope of

the quadratic

function

13.Find the slope of the quadratic function at the

intersection point.

Select Slope

The slope value is

displayed at the

bottom of the screen.

To find the signed

area of the two

functions

14.To find the area between the two functions in the

range –2 ≤ x ≤ –1, first move the cursor to

and select the signed area option.

Select Signed area

F1 x() 1 x–=

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 293 294

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HP 39g+ Graphing Calculator Podręcznik Użytkownika Strona 67

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