Which of the following concepts of infinity on limits is NOT TRUE? a. A real number added to or subtracted from infinity does not change the infinity. b. Multiplying a nonzero constant number to infinity may change the sign of the infinity. C. Adding infinities of the same sign does not change the infinity. d. Subtracting infinities of the same sign equals to zero.

Q: 3.Determine the intersection X ∩ Y. Express the  in interval notation. X = {x/ x>equal 8} and Y =…

A: We have: X=x  x≥8=[8,∞)Y=x  x<7=(-∞,7)

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A: As per Bartleby guidelines we only give first three questions answers. Please repost for other…

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A: A rational inequality is simply an inequality that contains a rational expression.

Q: why did you do the bounds 7 to infinity rather than 0 to 7?

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A: I have explained everything in great details below. See the solution below.

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Q: need help

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Q: 1. Write the interval notation equivalent to {x|x > -5 and x 3}.

A: We graph this on a number line first    There is a closed circle at x=-5 because it was included…

Q: (a) Suppose R be the set of real numbers. Given A = {x €R|-7 5}. Find: i. AUC ii. (A UB) NC iii. AA…

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A: To solve using interval notation

Q: A. Describe the error in the following: a. 5 is a subset of N b. x>1 and x 1<4 c. Given the function…

A: A. a. ) 5 is not a subset of N, its an element of N. It should be written as {5} is a subset of N.…

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Q: write the domain in interval notation.

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A: Option (c) is False.

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A: Given D.E is    with initial condition   .And solution is

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Q: T or F True or not: Every nonempty set of rational numbers that is bounded has a largest number.

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Q: Determine the intersection X ∩ Y. Express the in interval notation. X = {x/ x>equal 8} and Y =…

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Q: Question: Evaluate the following. Va + 4+h – Væ +4 lim h -4Va + 4 Va + 4 +4 1 2Va +4

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Q: Graph on a number line the following functions: 1. {x|XE R, -31}

A: We have to graph the function on number line.

Q: Determine the real limits of the following numbers or intervals. a. 5.05 b. 43.2 - 45.1 C. 390.544 -…

A: Real limits for a ) ( 5.05-0.005)          Real limits is 5.005   b ) ( 43.2-0.05, 45.1+0.05)…