Exercise 33 (i) Let A = (a, b) be an arbitrary open interval. Write A as a countable union or a countable intersec- tion of half-open intervals. (ii) Let B = (a, b) be an arbitrary half-open interval. Write B as a countable union or a countable intersection of open intervals.

Q: |TY/ ry

A:

Q: Read the expressions and tell whether they are , or =

A: Read the expressions and tell whether they are <,>, or =

Q: dr Find for 0-718 de de || -7/8 -r = -3. -

A: Given query is to find indicated derivative.

Q: 3 5/6 as a mixed number

A: Solution

Q: -5.4 + 9.5

A:

Q: -5 • -1/7 • 4/8

A: Refer to the we have to find the product of the -5 • -1/7 • 4/8

Q: what is the last answer

A: The histogram for employee salaries is given

Q: State true or false  -p >= -p

A:

Q: what is half of 3 and how

A: We can solve this as follows:

Q: That's not the correct answer.  Choice D is the answer.

A:

Q: How many multiples of 17 are greater than -50 and less than 50

A: We have to find number of multiples of 17 greater that -50 and less than 50.

Q: V = 1 + 3 x5 = V=?

A: The order of operations is a rule that tells the correct sequence of steps for evaluating a math…

Q: What's 5 over 10 + 2 over 9

A:

Q: 4. Evaluate: 18P3 5. Evaluate 12P4

A: We have to find following permutations,  18P3 = ?  12P4 = ?

Q: 1 Evaluate. 5P3 • 6C4 900 300 150

A: Use the formula and evaluate.

Q: WRONG, try again, wrong answer

A:

Q: Evaluate 6-[ 3 . 5 + 2 .  ( 3-2 ) ]

A: We have to evaluate: 6 - [ 3 . 5 + 2 .  ( 3 - 2 ) ]

Q: What is 6 times 4

A:

Q: 6. x = -2

A: Consider the given question, We have to the draw the graph of x = -2. Since, the graph of x = c is a…

Q: True or False and explain why. Just number 4

A: 4) to write the true or false

Q: Evaluate   1 - ( 4 . 3 - 2 + 2 )

A: We have to evaluate: 1 - ( 4 . 3 - 2 + 2 )

Q: 6 more than the number c

A:

Q: do 2nd question as well

A: To find the equation of the line tangent to the curve  at the point  on the curve.

Q: 5X 11

A: Given query is to find the value of x

Q: Describe about the two types of incorrect decisions.

A: Two possibilities of the test result: Reject the null hypothesis. Fail to reject the null…

Q: 7+b=3 what is “b”

A:

Q: The question is raised to 4 not 3/4.

A: the integral test is

Q: What is 5 times 6

A: follow next step

Q: What does mean by what 10 less than 46?

A: There is no such introduction for the solution.I have explained it within the solution.Please go…

Q: 1. (3, x) 2. (3x + 3, y) 3. (y, cos x) 4. (x + y, x – Y)

A: using online vector field graphing we get 1-A 2-C

Q: What are the values of u5 and u1?

A: This is the problem of optimisation.

Q: 28 = 4.r

A: Given: 28 = 4.r       To determine: value of r