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CanadaON
Grade 12

Defining Functions and Relations

Interactive practice questions

True or False?

When working with a function, substituting a certain value of $x$x into the formula gives only one value of $y$y for that value of $x$x.

True

A

False

B
Easy
< 1min

What is the name used to describe a graph where for some value of $x$x, there exists two or more different values of $y$y?

Easy
< 1min

True or False?

A horizontal line can intersect the graph of a function at more than one point.

Easy
< 1min

Consider the following statement:

All relations are functions.

Easy
< 1min
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