Question 8 Answer the following. Do the best you can entering in mathematical statements into the answer field. 1. State what it means for a set ASR to be closed. 2. Explain why if A contains all of its limit points, then A is closed. (hint: show the contrapositive of this statement). For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: Identify the property illustrated for the followin If 2x+3=5 and 5 = 3x-4, then 2x+3= 3x-4.

A: Given that: if 2x+3=5 and 5=3x-4 then 2x+3=3x-4

Q: Consider the following postfix representation of an expression composed of letters and the addition,…

A: Given: Postfix expression: AB+CD-E*F+* To find: Infix expression of the given postfix expression.

Q: How to write a algebraic rule?

A:

Q: 1. Show that subtraction is not associative for the set of integers.

A: Definition :Let "." be a binary operation and A is a setThen "." is said to be associative for A if…

Q: what is the associate property (a+b)(C+5)

A:

Q: |

A: |3 - 8x| - 4 < 6 So, |3 - 8x| < 4 + 6 So, |3 - 8x| < 10

Q: For which values of x is x²+x+12?

A:

Q: can it be further simpl

A: Find value of cos2(60°)+2tan(30°)

Q: Give an example(s) when describing how A and B could be mutally exclusive or not, and what not.

A: Addition Rule is given by P(A U B) = P(A) + P(B) – P(A∩ B) For Mutually exclusive P(A∩ B) = 0 P(A U…

Q: Determine if the following statement is true or not. Let the domain be the set of all integers Z. Jx…

A: Set of all iintegers is: Z={0,±1,±2,±3,...}

Q: 000000 -10 -5 LOIL 10-0 --- 5₁ ņ -10- H-5H ⠀⠀⠀⠀⠀⠀⠀⠀ COCOTTO H FITTI 10

A:

Q: 2. Simplify the following and state restrictions a. x²+2x-80 2x³ - 24x² +64x b. 16a²b³c4 20a7b²c²

A:

Q: 0.1 EXERCISES Calculate each expression in Exercises 1-24, giving the answer as a whole number or a…

A: As per the Bartleby guidelines, answer only first question as the other questions are not the sub…

Q: YES / NO Use the tables to determine whether these two statements are equivalent. pVq 9

A:

Q: (5x:xcZ,12xl 8}

A: The set of all real numbers is defined as Z. Hence, Z = {……, –3, –2, –1, 0 , 1, 2, 3, ….}.

Q: The set of all positive multiples of v2 is countable.

A:

Q: In Z7, evaluate the following expressions. 3- (2 x 5) 2 × 3 × 4 5 x 3 3+4+5 3² +4² 1. 1 2. 2 3. 3 4.…

A:

Q: it's saying this is an invaild notation. for both.

A: