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Alecsey [184]
2 years ago
12

D = {x|x is a whole number} E = {x|x is a perfect square between 1 and 9} F = {x|x is an even number greater than or equal to 2

and less than 9} Which of the following is E ∪ F? {4} {3, 4, 5, 6, 7, 8} {2, 3, 4, 5, 6, 7, 8} {2, 4, 6, 8}
Mathematics
1 answer:
diamong [38]2 years ago
3 0

Answer:

and week and I will support you have a good blank of tools implements and equipments

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The two in the middle. B and C, I guess.
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Alex787 [66]
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3 years ago
What does f(-1) =_<br> and x=_ ?
lubasha [3.4K]

Answer:

F(-1) = 1

x = 3

Step-by-step explanation:

1) Assume that f(-1) = y1

So that point A (x1 = -1; y1) is a point lying in the graph representing the equation y = f(x)

As it can be seen in the figure, the graph representing that equation crosses point (-1; 1)

=> Point A has y1 = 1

=> f (-1) =1

2) Assume that f(x2) = -2

So that point B (x2; y2 = -2) is a point on the graphy representing the equation y = f(x)

As indicated in the figure, the graph crosses point (3; -2)

=> Point B has x2 = 3

=> When f(x) = -2, x = 3

5 0
3 years ago
You are in a bike race. When you get to the first checkpoint, you are 2525 of the distance to the second checkpoint. When you ge
svetoff [14.1K]
1/10 
or maybe even 16?
not too sure though


3 0
3 years ago
I will give u brainliest
Lady bird [3.3K]

Answer:

130

Step-by-step explanation:

I don' know my explanation.

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