Consider the function f: [-1,3] → R defined by f(x) = x². A. Estimate the area between the graph of function f and the horizontal axis using an upper sum with four rectangles of equal width. horizontal axis using a right sum with eight

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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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me
سے
کرنے
کے
11
3:47 PM Mon Jan 30
4
5
Jurn
(D)
--+-1/2 P
42 1
T
d/6 td H
T
мене
3. Consider the function f : [-1, 3] → R defined by f(x) = x².
A. Estimate the area between the graph of function f and the horizontal axis using an upper sum with
four rectangles of equal width.
B. Estimate the area between the graph of function f and the horizontal axis using a right sum with eight
rectangles of equal width.
C. Estimate the area between the graph of function f and the horizontal axis using a lower sum with four
rectangles of equal width.
D. Estimate the area between the graph of function f and the horizontal axis using a left sum with eight
rectangles of equal width.
3/12 2 5/12 3
[(xi)
A = 7 D₂ H(₂)
?
A = AX (F(1₁) + f(1₂) +(1.3)
+ f(xx) + [(is) + f(x6] + [4₂]
+ flax)
A₁ = ² (0+ + + 1 + 2 +4 + 38 ) = 55/41 7/2) 58/6
+
3
A₁ = = ((0) + ( + ₁)) = 4+² = 2/6/² 2/7 (12) = 3/8
8
29/4
Area-
W.E.
MELT
Fheight
ܐ
Ax Faxi)
widach
B
fax)=x²
@ 100%
+:
ماد
area under
the curt
<
217
Transcribed Image Text:me سے کرنے کے 11 3:47 PM Mon Jan 30 4 5 Jurn (D) --+-1/2 P 42 1 T d/6 td H T мене 3. Consider the function f : [-1, 3] → R defined by f(x) = x². A. Estimate the area between the graph of function f and the horizontal axis using an upper sum with four rectangles of equal width. B. Estimate the area between the graph of function f and the horizontal axis using a right sum with eight rectangles of equal width. C. Estimate the area between the graph of function f and the horizontal axis using a lower sum with four rectangles of equal width. D. Estimate the area between the graph of function f and the horizontal axis using a left sum with eight rectangles of equal width. 3/12 2 5/12 3 [(xi) A = 7 D₂ H(₂) ? A = AX (F(1₁) + f(1₂) +(1.3) + f(xx) + [(is) + f(x6] + [4₂] + flax) A₁ = ² (0+ + + 1 + 2 +4 + 38 ) = 55/41 7/2) 58/6 + 3 A₁ = = ((0) + ( + ₁)) = 4+² = 2/6/² 2/7 (12) = 3/8 8 29/4 Area- W.E. MELT Fheight ܐ Ax Faxi) widach B fax)=x² @ 100% +: ماد area under the curt < 217
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