Question
Asked Aug 17, 2019
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Expert Answer

Step 1

We are given function , interval and number of rectangles

 

f(x) 2x2 1
[3,8]
n 5
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f(x) 2x2 1 [3,8] n 5

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Step 2

(a)

We can draw graph

f (x) 221
150
(8, 129)
100
50
(3, 19)
10
2
12
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f (x) 221 150 (8, 129) 100 50 (3, 19) 10 2 12

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Step 3

(b)

We can find delta x

 ...

[3,8]
n 5
b-a
Ax
n
8-3
Ar=
5
Ax 1
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[3,8] n 5 b-a Ax n 8-3 Ar= 5 Ax 1

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Tagged in

Math

Calculus