Functions

Question 1

what is a mapping

Answer 1

an operation that takes one number and transforms it into another

Question 2

what is a function

Answer 2

• a mapping that maps every number in the domain

- to exactly one number in the range

Question 3

what is a one-to-one function

Answer 3

a function where each value in the range corresponds to one value in the domain

Question 4

what is a -many-to-one function

Answer 4

a function where some values in the range correspond to more than one value in the domain

Question 5

what isnt a function

Answer 5

• one-to-many equations

- where one value of x maps to multiple values of the range