Posts Tagged ‘definition’

Variations of the Definition of Function

Variations of the Definition of Function

 

a.  A function is a relation in which, for each value of the first component of the ordered pairs, there is exactly one value of the second component.

 

b.  A function is a set of ordered pairs in which no first component is repeated.

 

c.  A function is a rule or correspondence that

Find the reciprocal of a number

Find the reciprocal of a number

 

 Earlier, subtraction was defined in terms of addition. Now, division is defined in terms of multiplication. The definition of division depends on the idea of a multiplicative

inverse or reciprocal; two numbers are reciprocals if they have a product of 1.

Reciprocal

The reciprocal of a nonzero number a is  \frac{1}{a}.