January 8 - Bell Ringer

Front

Is the relation a function?

Back

No, the relation is not a function.

Front

Is the relation a function?

Back

Yes, the relation is a function.

Front

What is the domain of the relation?

Back

{ 14, 0, -17, 8 }

Front

Define a function in mathematics.

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the range of a function?

Back

The range is the set of all possible outputs of a function.

Front

What is an example of a function?

Back

f(x) = 2x + 3 is a function because for every x, there is one unique output.

Front

What is a relation in mathematics?

Back

A relation is a set of ordered pairs, where each pair consists of an input and an output.

Front

How can you determine if a relation is a function using the vertical line test?

Back

If a vertical line intersects the graph of the relation at more than one point, it is not a function.

Front

What is the domain of the function f(x) = x^2?

Back

The domain is all real numbers, as any real number can be squared.

Front

What does it mean for a function to be one-to-one?

Back

A function is one-to-one if it never assigns the same value to two different domain elements.