Given the foll owing araph ot f(x) =x-2x +3 on -) interval the C-1,3] ,Approximate (3 fexsdx by using the upperr sums iute neu. snade area that the the represen ts アper Sum Up per sus for under approximation or orer approximation an iS the よr ( u) ax ?
Given the foll owing araph ot f(x) =x-2x +3 on -) interval the C-1,3] ,Approximate (3 fexsdx by using the upperr sums iute neu. snade area that the the represen ts アper Sum Up per sus for under approximation or orer approximation an iS the よr ( u) ax ?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.7: Applied Problems
Problem 58E
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Step 1
Given :
The graph of the function in the interval [ -1 , 3 ] .
To determine :
(a) The approximate value of the integral by using the upper sum s for n = 4. State the area that represents the upper sums.
(b) Is the upper sums an over a approximation or under approximation for .
Step 2
The graph of the function in the interval [ -1 , 3 ] and number of sub-intervals, n = 4.
Length of the interval
Therefore, the sub - intervals are
( - 1 , 0 ) , ( 0 , 1 ) , ( 1 , 2 ) , ( 2 , 3 ) .
Step 3
(a)
The area of the the function in the interval [ -1 , 3 ] using Riemann - upper sums is
Therefore, the area using upper sum approximation is 20 square units.
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