asked on

Table function

Is it possible to solve and explain this question in a different way? I am working on an online mathematics Helper web site and I need solutions in different ways. This is not a homework or any kind of exam as I already have a solution of these questions. I just need different ways of solutions so that I can write different algorithms on those solutions and then call them in software coding randomly.

Sean Stuber

there's not really anything else to explain this example.

given some input (from the domain) to a function, the function must return exactly one output (in the range)

Since your table has one value (8) returning 2 values (4 & 6) that table can't be describing a function.

The answer is simply applying the definition of a function.

maybe it would help you to think of it in normal "function" syntax rather than as a table.

f(4) = 2
f(12) = 3

but

f(8) =6
f(8)=4

therefore f is not a function, because a function can't return 2 answers for one input.

mustish1

ASKER

Can you explain or a link little bit more about what is domain input and what exactly the range is?

ASKER CERTIFIED SOLUTION

Sean Stuber

membership

This solution is only available to members.

To access this solution, you must be a member of Experts Exchange.

Start Free Trial

mustish1

ASKER

Thanks. I think its a called parameters when we use these term in methods or functions in any programming language.

Sean Stuber

a parameter is a single value taken from the domain to be used in a function.

for example I might have a function that operates on positive integers.

So f(10) would be a legal function call. 10 is the parameter, not the domain.

the domain is the positive integers.

mustish1

ASKER

Thank You.