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e-lub [12.9K]
2 years ago
11

Can someone please help me lol ​

Mathematics
2 answers:
Lana71 [14]2 years ago
8 0

Answer:

A x√2/2

hope it helps and your day will be full of happiness

Whitepunk [10]2 years ago
3 0

Answer:

C

Step-by-step explanation:

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Given a function I and a subset A of its domain, let I(A) represent the range of lover the set A; that is, I(A) = {I(x) : x E A}
Ede4ka [16]

Step-by-step explanation:

(a)

Using the definition given from the problem

f(A) = \{x^2  \, : \, x \in [0,2]\} = [0,4]\\f(B) = \{x^2  \, : \, x \in [1,4]\} = [1,16]\\f(A) \cap f(B) = [1,4]  = f(A \cap B)\\

Therefore it is true for intersection. Now for union, we have that

A \cup B = [0,4]\\f(A\cup B ) = [0,16]\\f(A) = [0,4]\\f(B)= [1,16]\\f(A) \cup f(B) = [0,16]

Therefore, for this case, it would be true that f(A\cup B) = f(A)\cup f(B).

(b)

1 is not a set.

(c)

To begin with  

A\cap B \subset A,B

Therefore

g(A\cap B) \subset g(A) \cap g(B)

Now, given an element of g(A) \cap g(B) it will belong to both sets, therefore it also belongs to g(A\cap B), and you would have that

g(A)\cap g(B) \subset  g(A \cap B), therefore  g(A)\cap g(B)  =  g(A \cap B).

(d)

To begin with A,B  \subset A \cup B, therefore

g(A) \cup g(b) \subset g(A\cup B)

7 0
3 years ago
Rewrite the following equation in exponential form log3 3=1
yawa3891 [41]

Answer: (X) = y => b^y = x

use that equation to get the exponential form

Step-by-step explanation:

3 0
3 years ago
What percentage of the area under a normal curve is within 1, 2, and 3 standard deviations of the mean
Lemur [1.5K]

Answer:

You need to have a labotomy sir

Step-by-step explanation:

7 0
2 years ago
4qu, when q= 5 and u = 7
professor190 [17]

Answer:

140

Step-by-step explanation:

Substitute q = 5 and u = 7 into the expression

4qu

= 4 × 5 × 7 = 20 × 7 = 140

4 0
2 years ago
Read 2 more answers
Solve the system of equations<br> 3x+4y+12<br> 9x-2y=15
Mrrafil [7]
3x+4y=12
9x-2y=15
we will use elimination
multiply 3x+4y=12 by -3

-9x-12y=-36
9x-2y=15
_________ add
-14y=-21
÷-14 both sides
y=1.5
find x
3x+4 (1.5)=12
3x+6=12
-6 both sides
3x=6
÷3 both sides
x=2

x=2
y=1.5
3 0
3 years ago
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