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JulsSmile [24]
3 years ago
8

How many elements does each of these sets have where a and b are distinct elements?

Mathematics
1 answer:
inysia [295]3 years ago
5 0
<span>a.p({a,b,{a,b}}) is the answer 

</span>
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F(x)= 2x+3/x-1, x ≠ 1, dan f^-1 adalah invers dari f
Sindrei [870]

Answer:

The answer are

A.

{f}^{ - 1} (x) =  \frac{x + 3}{x - 2}

B.

{f}^{ - 1} ( - 3) = 0

Step-by-step explanation:

To find the infers we do that

f(x) =  \frac{2 x + 3}{x - 1 }  \\ (x - 1)f(x) = 2x + 3 \\ xf(x) - f(x) = 2x + 3 \\ xf(x) - 2x = f(x) + 3 \\ x(f(x) - 2) = f(x) + 3 \\  x =  \frac{f(x) + 3}{f(x) - 2}  \\ then \:  \\  {f}^{ - 1} (x) =  \frac{x + 3}{x - 2}  \\ then \\  {f }^{ - 1} ( - 3) =  \frac{ - 3 + 3}{ - 3 + 2}  = 0

5 0
3 years ago
► 00:00
Viefleur [7K]

Answer:

Proof

Step-by-step explanation:

PROOF can be said to be logical mathematical argument in which every statement of fact is supported by a reason

due to the fact mathematical proof is an inferential argument for a mathematical statement because it help to shows that the assumptions stated logically guarantee and enables the conclusion.

Therefore Proofs can be said to be an examples of exhaustive deductive reasoning because they tend to often establish logical certainty which can be differentiated from empirical arguments which inturn help to establish reasonable and effectively expectation as well as employ logic expressed in mathematical symbols which is why proofs are often written in terms of rigorous informal logic

7 0
3 years ago
You and 3 friends divide the proceeds of a garage sale equally. The garage sale earned $412. How much money did you receive?
iren2701 [21]

Answer:

$ 103 for each person

Step-by-step explanation:

4 0
4 years ago
Highschool math. this one is pretty easy.​
Zigmanuir [339]

A bisector splits an angle into two equal angles.

The answer is the last one: it splits the angle into two congruent angles.

5 0
3 years ago
If a bus travels at 48MPH how long will it take to be able to travel 60 miles
GrogVix [38]
It will take 1.25 hours
8 0
3 years ago
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