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Sphinxa [80]
2 years ago
10

Is y=x^2 a function?

Mathematics
2 answers:
Pie2 years ago
3 0

Answer:

Yes, it is. Functions can only have one output (y) for each input (x). Furthermore, this means each x value will only have one y passing through it. Thus if we plot it on a graph and it passes through a horizontal line more than once, it is not a function. This is called the vertical line test.

xeze [42]2 years ago
3 0
Yes id it a funtion hope i help can i be brainlites
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The sum of 2 number is 42 and when you switch the order the difference is 5
Ksivusya [100]
So, x + y = 42 and y - x = 5;
Then, y = x + 5;
Finally, x + x + 5 = 42;
2x + 5 = 42;
2x = 37;
x = 18.5;
y = 18.5 + 5;
y = 23.5;
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12.5 km sorry if i am wrong 
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3 years ago
A hiker cycles 9 miles in 2/3 of an hour. Make a chart and fill it in to show how far he will bike if he maintains the same pace
Arada [10]

Answer:

2 hours: 27 miles, 3 hours: 40.5 miles, 3.5 hours: 47.25 miles

Step-by-step explanation:

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2.) 2 hours: 13.5 * 2 = 27 miles

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4.) 3.5 hours: 13.5 * 3.5 = 47.25 miles

6 0
2 years ago
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Classify the following statement as an example of classical​ probability, empirical​ probability, or subjective probability. Exp
AlekseyPX

Answer:

It is a case of classical probability.

Step-by-step explanation:

Since we are selecting a number between 1 and 100 randomly which is divisible by 14 the only favorable cases are 14,28,42,56,70,84,98 which are 7 cases out of 100 total numbers thus the required probability becomes

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8 0
2 years ago
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