What do these math terms mean?

Question

I need to know what attative identity, multiplicative identity, subset of every set, and subset domain is for my math mid-term

Thanks

Answer 1

additive identity is 0
multiplicative identity is 1
subset of every set is a set containing all or some of the elements of another set.it could even be a null set
subset domain is the elements of the subset

Answer 2

Additive identity: the number that, when added to a second number, results in the second number. It's 0: 5 + 0 = 5.

Multiplicative identity: the number that, when multiplied with a second number, results in the second number. It's 1: 5 x 1 = 5.

Subset of every set: the only set that is a subset of every possible set is the empty set, aka null set.

I can't find a definition for a "subset domain". Are you sure you typed that correctly? raj's idea MIGHT be right, but he's probably thinking of the domain of a function that would take subsets as input (hence they'd be in the domain). I can, however, find no evidence that this is the actual DEFINITION of "subset domain".

Please elaborate.

Answer 3

that's a trick we use on Yahoo!solutions to point a skill or an exponent. It comes from previous pc programming languages the position "powers" were indicated both with information from a "caret" ^ or with information from making use of a double asterisk **. some human beings nonetheless use those symbols and codes, after we answer on Yahoo!solutions: ^skill or exponent (as in x^2 for x-squared) * for multiplication (to maintain away from confusion with the variable x) e to change 10^ in medical notation, as in 6.023e23 somewhat of 6.023 x 10^23 INT(x) for the integer component to x (drop the fraction section) -- INT(3.2) = 3 FRAC(3.2) = 0.2 ABS(x) skill absolutely the cost (drop the signal) -- ABS(-3.2) = 3.2 SQRT(x) or sqrt(x) for "sq. root" of x (also written x^(a million/2) ) etc...

Answer 4

look in in your dictionary first & then wikipedia.org