Answer:
Flight simulators provide a cost-effective way for pilots to practice both routine and rarely-used skills. With simulator training, you can refine your skills in a variety of different flight scenarios that can be tailored to your specific goals.
Explanation:
hope this helps <3
B) To help you calculate how much money you have in your account.
The Internet is an example of a WAN: Wide Area Network
Answer:
field will be automatically taken off the page for the user
Explanation:
When designing a custom VisualForce page the piece of code mentioned "apex: outputField" is used to determine what and how information is displayed to a certain user. This being said if the user does not have field-level security access and tries to enter the VisualForce page then the field will be automatically taken off the page for the user, and they will not be able to view it.
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Big-O notation is a way to describe a function that represents the n amount of times a program/function needs to be executed.
(I'm assuming that := is a typo and you mean just =, by the way)
In your case, you have two loops, nested within each other, and both loop to n (inclusive, meaning, that you loop for when i or j is equal to n), and both loops iterate by 1 each loop.
This means that both loops will therefore execute an n amount of times. Now, if the loops were NOT nested, our big-O would be O(2n), because 2 loops would run an n amount of times.
HOWEVER, since the j-loop is nested within i-loop, the j-loop executes every time the i-loop <span>ITERATES.
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As previously mentioned, for every i-loop, there would be an n amount of executions. So if the i-loop is called an n amount of times by the j loop (which executes n times), the big-O notation would be O(n*n), or O(n^2).
(tl;dr) In basic, it is O(n^2) because the loops are nested, meaning that the i-loop would be called n times, and for each iteration, it would call the j-loop n times, resulting in n*n runs.
A way to verify this is to write and test program the above. I sometimes find it easier to wrap my head around concepts after testing them myself.
