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Asked Nov 16, 2019
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Question 6 of 19
Calculate L6 for f(x) = x2 +4|x| over [-2,3]
(Use decimal notation. Give your answer to three decimal places.)
L6
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Question 6 of 19 Calculate L6 for f(x) = x2 +4|x| over [-2,3] (Use decimal notation. Give your answer to three decimal places.) L6

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Expert Answer

Step 1

First find the intervals. 

-2,b = 3,n = 6
We have that a
3 (2)
6
5
Therefore, Ar=
6
Divide the interval-2, 3into n
6 subintervals of length Ar
6
[4 13
13
7
1
2,
6
= b
a=
2' 3
6
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-2,b = 3,n = 6 We have that a 3 (2) 6 5 Therefore, Ar= 6 Divide the interval-2, 3into n 6 subintervals of length Ar 6 [4 13 13 7 1 2, 6 = b a= 2' 3 6

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Step 2

Now, we evaluate the function at ...

f (xo)= f(a) = f(-2) 12 12
217
f(2)f
6.02777777777778
36
13
1.44444444444444
f (x)=f
f (r3)=f
2.25
4
64
f (r4)=f
7.11111111111i11
13
481
13.3611111111111
6
36
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f (xo)= f(a) = f(-2) 12 12 217 f(2)f 6.02777777777778 36 13 1.44444444444444 f (x)=f f (r3)=f 2.25 4 64 f (r4)=f 7.11111111111i11 13 481 13.3611111111111 6 36

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