1. Find the supremum, infimum, maximum, and minimum of each subset of R, if it exists. A = U[-2, 1- TEN a. A: sup A max A inf A min A b. B = {":ne N} sup B max B inf B min B c. C = {re Q:r² ≥ 1} sup C max C inf C min C 2

Q: For the predicate P(x, y) ::= [x + 2 = y], choose all the pairs of x and y such that P(x, y) is…

A: Given query is to find the correct option for the expression.

Q: 2. Show that for any real number c, there is exactly one integer in the interval (c,c + 1].

A: As per guidelines, I can do only first question.

Q: Prove that (ab + cd)² ≤ (a² + c²)(b² + ď²) for all a, b, c, d ɛ R.

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Q: Give an example where A, B ⊆ X and |A| = |B| but |X ― A| ≠ |X ― B|.

A: This cannot be possible if we take X to be finite set so we have to think an example where X is…

Q: Select all the real numbers M among the choices below such that the two planes given by r. -2= -3…

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Q: 1. Let X be the set of real numbers with the usual pseudometric. Find the derived set and the…

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Q: B and C are sets of real numbers defined as follows. B={y|y≥4} C={y|y<7} Write B n C and B U C using…

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Q: Find the value of a for which V= 8 a 4 is in the set a = 4 -5 0 -8-8-8} 4 -3 H = span

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Q: Challenge #7 Plot five parabolas with the same x-intercepts (black), but different vertices (other…

A: Given:  Points : ( -4 , 0 ) and ( 4 , 0 )   Vertex (h,k ) :  Red : ( 0 , 80) Blue: ( 0 , 48 ) Green:…

Q: Calculate the total charge Q of a thin plate with the charge density distribution given by the…

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Q: 11. Solve the following and state the restriction(s) on x : x- 2 a) -3 2x+3 3 >2 2x+4 b) X+3 X+7 c)…

A: To solve the given equations and find restrictions on x

Q: 2. For all real numbers a, b and c, prove that if a <b <c then a+b+c a < 3 < C.

A: given that a, b, c are real numbers we have to prove that if      a&lt;b&lt;c    then…

Q: Assume that A, B, C and D are sets. Verify that (A x B) U (C x D) ≤ (AUC) x (BUD).

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Q: Suppose that x is a real number and that UCR. Prove that the following two conditions are…

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Q: Find the value of a for which V= 8 a a 4 is in the set H = span 4 4 -5 0 -3

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Q: Show that ACB implies |A|≤|B|.

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Q: Q closed over multiplication? (Y/N) 6. Is N closed over multiplication? (Y/N)

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Q: Show that if AB={0}, then P(A)≤P(B).

A: Given that

Q: Suppose A and B are nonvoid, bounded, disjoint subsets of R. Mark all of the properties that must be…

A: Answer given below.

Q: Find the value of a for which v= 8 a -4 -12 is in the set 4 0 -4 -1 0 {6E9 2 -3 5 -3 -4 2 H = Span

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Q: Let a,b be two different points in R^n one. We notice that d=(a,b)>0 (why is that so ?). Prove that…

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Q: Express each set below using the roster method. Write all elements in increasing order. Do not…

A: Introduction: In Maths, sets are a collection of well-defined objects or elements. A set is…

Q: um value of -+ b + c c + a + a+b

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Q: Select all the real numbers Mamong the choices below such that the two planes given by and r. 2 - M…

A: We can calculate using the given information