# I'm confused in math functions that book says it's a relation (set) and then it says it's a rule or correspondence?

• I'm confused in math functions that book says it's a relation (set) and then it says it's a rule or correspondence?

This mapping shows a relation from set ... If we impose the following rule on a relation, it becomes a function. Function: A function is a set of ...
Positive: 62 %
Determining Relations and Functions ... A relation can be any set of ordered pairs. ... If we impose the following rule on a relation, ...
Positive: 59 %

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... when a math book asks two consecutive ... using the rule of exponents that says (a b ... each of those expressions represents a set of functions. ...
Positive: 62 %
Home ยป Algebra functions Algebra Functions. ... When we input 3, the function box then substitutes 3 for x and calculates the answer to be 7.
Positive: 57 %
... I'm still confused about what it means for a $(n\times n)$-matrix $A$ to have a determinant equal to zero, ... and its columns are linearly dependent ...