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Q: Proficiency #5. (a) List all elements in the set S = {x € Q | (3x € N) ^ (3x < 5)}.

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Q: 5 < 6 and 0 is counting number

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Q: Find the domain of the following expression and write your answer in interval notation.. 5-x 9x2…

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Q: Which one of the following is equal to 71 (-)"? I # 05|1 -3 3 3

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Q: Use descent to find x, y such that x2 + y? = 881 starting with 84² + 89² = 17 · 881.

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Q: For all real numbers a and b, |a + b| < ]a| + |bl. Select one: OTrue False

A: Answer

Q: Use a number line to find the absolute vale of 5 and -5

A: absolute value = Distance of point from the zero absolute value of 5  | 5 | = distance of 5 from…

Q: Choose any points a and b on a number line. Find the values of a-b and b-a. What do the absolute…

A: Let  a=0  and  b=1

Q: How do you writ the following in interval notation  7x-4&lt;11x+12 -8&lt;x&lt;3

A: The given inequality is,

Q: Using the last digit of your student number, N, as outlined in the instructions on the front page,…

A: Given data  We have to find integers that satisfies N&lt;x&lt;=12 And N= 3

Q: Define a number line.

A: A number is a horizontal straight line in which all the real numbers are marked in a specific…

Q: Enter the appropriate number in each blank. -4x + 1, if x -5 a. g(-6) = %3D b. g(-5) = c. g(-4) =…

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Q: Let - 9<µ< - 5 represent an interval on the number line. Find the value that is in the middle of the…

A: The given confidence interval is, -9&lt;μ&lt;-5 The exact middle of the confidence interval is point…

Q: A y 10+ -10-8 -6-4 -2 8 9 2 2 7 6 8 -10- 2 45 8~9 10 X

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Q: \text { 79. }[(3 q+5)-p][(3 q+5)+p]

A: We will here use the below property to solve the question: (a+b)(a-b)=a2-b2

Q: What is the interval notation for × >-6 and × > -3

A: Given x &gt; -6,   x &gt; -3

Q: find domain and range. 4 -4 -2 2 4

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Q: the real number line which equals 1 Qs-, n=1 " + ] ကျေ 18+

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Q: A digital music company charges a monthly membership of $12.00 and $0.75 to download each song. 44.…

A: Cost function

Q: Graph the set {x | -2<x<4} on the number line. Then, write the set using interval notation. (지-2 <x<…

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Q: What does the set of real numbers consist of?

A: To discuss about real number

Q: 8. (a) Prove that the sum of a rational and an irrational number is irrational. (b) Prove or…

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Q: -7x + 1 2 15 or 6x + 3 2 -21

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Q: Represent this the below on a number line  x≤5/8

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Q: 7 10b + 9-7<-14

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Q: the number of items, n, a shopper can have in the express check-out lane is at most 8. write this as…

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Q: Graph the set {x | -5<x<-3} on the number line. Then, write the set using interval notation.

A: x  -5&lt;x≤-3 Now the graph is,

Q: 5&lt;2x-1&lt;9

A: To determine the interval of given inequality.

Q: Let - 1.93 < u< - 0.55 represent an interval on the number line. Find the value that is in the…

A: Middle value = (upper value+Lower value)/2