One-to-one function

It is a rule that produces a correspondence between the elements of two sets: D (domain) and R (range), such that to each element in D there corresponds one and only one element in R.

• Function

• Relation

• Set

• Subset

A graph of a function can also be used to determine whether a function is one-to-one using the _____________.

• vertical line test

• horizontal line test

• t-test

• z-test

A method of testing whether a graph represents a function by determining whether a vertical line intersects the graph no more than once.

• vertical line test

• horizontal line test

• t-test

• z-test

Which of the following is not a one-to-one function?

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Which type of relation wherein every element in the domain is paired with exactly one element in the range?

• Function

• Asymptote

• Inverse

• Composite

Which of the following relationships DOES NOT indicate a one-to-one function?

• A tricycle and its plate number

• Chemical symbol to its chemical element

• Parents and their children

• Husband and Wife

Which of the following represents a one-to-one function?

• Teacher to students

• Student to their LRN

• Mother to her children

• Students to teacher

Consider the graph below. Which of the following line test crosses the graph of a function at no more than one point?

• Line Test X only

• Line Test Y only

• Both Line Test X and Y

• None of the following

Which of the following graphs represents a one-to-one function?

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• 
• 
• 

Which of the following statement represent one-to-one-function?

• One person has one passport.

• A car model is made by one company.

• A house building prototype belongs to one company.

• All of the choices