CALCULUS:GRAPHICAL...,AP ED.-W/ACCESS
5th Edition
ISBN: 9780133314564
Author: Finney
Publisher: SAVVAS L
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2. The Riemann sums for a function f on the interval [1, 5]
are given as (2 - u) Ax, where [1, 5] is partitioned
into n subintervals [x-1, X] of width Ax; and u, is some
number in [x,-1, X]. If lim E (2- u) Ax, exists, it
max Ax-0=
equals
(A)
(B) (2- u) Ax
(O(2-rds
(D) 2-ds
Exercise 9. Let f be any function such that the
integral of f over C is 4. Then the integral of -f
*
over -C is
4
-4
O None of these
ООО О
6. Prove that if f and g are Riemann integrable on [a, b] then fg is also Riemann integrable
on [a, b]. [Hint: Show that if f is integrable so is f², then use fg =
may use that |ƒ| is integrable without proof.]
(f+g)²-f²-g². You
2
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- Prove that if a subring R of an integral domain D contains the unity element of D, then R is an integral domain. [Type here][Type here]arrow_forwardLet ab in a field F. Show that x+a and x+b are relatively prime in F[x].arrow_forwardSuppose E is a subset of X, where X is a metric space, p is a limit point of E, f and g are complex functions on E and the limit as x approaches p of f(x) is A and the limit as x apporaches p of g(x) is B. Prove the limit as x approaches p of (f/g)(x)=A/B if B does not equal 0.arrow_forward
- Suppose f: R → R is a monotonic function (not necessarily continuous). True or false: The restriction of f to a closed, bounded interval [a, b] attains a maximum. O True Falsearrow_forwardFind all the strictly monotonic functions f: R-R such that S(x+ f(w)) = S(x) + y, for all z, y € R. Prove that for every integer n > 1 there do not exist strictly monotonic functions f : R → R such that S(x+ f(y)) = f(z) + y". for all 7, y E R.arrow_forward* The statement : Every bounded real valued function over [a, 6) is Riemann integrable over la, b) 1. is always True. 2. is True only if f is monotonic. 3. is True only if f is contimuous. 4. is False. O 1 O 2 O 3 O 4arrow_forward
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