Definition: The area A of the region S that lies under the graph of the continuous function f is the limit of the sum of the areas of approximating rectangles A = lim Rn lim [f(æ1)Aæ + f(x2)Ax + · · · + f(æn)Aæ]. %3D n>00 (a) Use the above definition to determine which of the following expressions represents the area under the graph of f(x) = x from x = 0 to a = 1. 1 OA. lim n00 i=1 n В. lim n00 n i=1 C. lim n00 i=1 D. lim n00 =1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 80E
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Part a and b 

Definition: The area A of the region S that lies under the graph of the continuous function f is the
limit of the sum of the areas of approximating rectangles
A = lim R, = lim [f(x1)Aæ + f(x2)Aæ + · · · + f(æn)A¤].
%3D
n 00
(a) Use the above definition to determine which of the following expressions represents the area
under the graph of f(x) = x³ from x = 0 to x
3
OA. lim
n 00
i=1
B. lim
n 00
n
3
1
С. lim
n
D. lim
Transcribed Image Text:Definition: The area A of the region S that lies under the graph of the continuous function f is the limit of the sum of the areas of approximating rectangles A = lim R, = lim [f(x1)Aæ + f(x2)Aæ + · · · + f(æn)A¤]. %3D n 00 (a) Use the above definition to determine which of the following expressions represents the area under the graph of f(x) = x³ from x = 0 to x 3 OA. lim n 00 i=1 B. lim n 00 n 3 1 С. lim n D. lim
(b) Evaluate the limit that is the correct answer to part (a). You may find the following formula for
the sum of cubes helpful:
n(n + 1)
13 + 23 + 3³ +...+n°
Σ
3
.3
i=1
The value of the limit is
Transcribed Image Text:(b) Evaluate the limit that is the correct answer to part (a). You may find the following formula for the sum of cubes helpful: n(n + 1) 13 + 23 + 3³ +...+n° Σ 3 .3 i=1 The value of the limit is
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