Texas Instruments TI-89 사용자 설명서

Activities

 753

2. Type the following lines into the 

.

C
C
C
C
C
C

: Compute the maximum value of f on the closed interval [a,b]
: assume that f is differentiable on [a,b]
: define f(x)=x^3

N

2x^2+x

N

7

: 1

!

a:3.22

!

b

: d(f(x),x)

!

df(x)

: zeros(df(x),x)
: f(ans(1))
: f({a,b})
: The largest number from the previous two commands is the 
maximum value of the function. The smallest number is the 
minimum value.

3. Press 

… and select 

 to show 

the 

 and the Home screen on a 

split-screen. Move the cursor to the first 
line in the 

.