if two functions 'f' and 'g' are said to be equal, then. pls answer this question
Answers
Answer:
moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.Jun 4, 2013
www.livescience.com › 37161-...
What is Friction? | Friction
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Step-by-step explanation:
moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.Jun 4, 2013
www.livescience.com › 37161-...
What is Friction? | Friction
Answer:
The problem is that there are two slightly different conventions about what “function” means. The more common one is that, for any function, the codomain has to be specified. So, if two functions have different codomains (e.g. R and C in your example), then they are different functions, even if they have the same graph. The other convention is to identify the function with its graph, so that any set f of ordered pairs (x,y) such that y1=y2 whenever (x,y1)∈f and (x,y2)∈f is a function. This latter convention is elegant, and does away with the seemingly unnecessary codomain. However, the property of being “onto” becomes relative—onto what?—and the idea of a function being a surjection cannot be used. This matters in some branches of mathematics but not in others.
Step-by-step explanation:
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