(Area Under a Curve)

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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Given:

f(x) = x2 ; [-1,1]

Use Definition 5.4.3 with x as the midpoint of each
subinterval to find the area under the curve y = f(x) over the
specified interval.
Transcribed Image Text:Use Definition 5.4.3 with x as the midpoint of each subinterval to find the area under the curve y = f(x) over the specified interval.
5.4.3 DEFINITION (Area Under a Curve)
If the function f is continuous on [a, b] and if
f(x) 2 0 for all x in [a, b], then the area A under the curve y = f(x) over the interval
[a, b] is defined by
A = lim f(xi)Ax
(2)
k=I
Transcribed Image Text:5.4.3 DEFINITION (Area Under a Curve) If the function f is continuous on [a, b] and if f(x) 2 0 for all x in [a, b], then the area A under the curve y = f(x) over the interval [a, b] is defined by A = lim f(xi)Ax (2) k=I
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