Functions, Functions, Functions

Front

Is this graph a function or not a function?

Back

Function

Front

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Back

D:{0, 1, 2, -4} R:{1, -3, -4}

Front

Which set of values is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

What is the definition of function?

Back

Every input has only ONE output

Front

Is this graph a function or not a function?

Back

Not a Function

Front

What is the domain of a function?

Back

The set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for the function.

Front

What does it mean for a relation to be a function?

Back

Each input is related to exactly one output.

Front

Give an example of a function.

Back

f(x) = 2x + 3 is a function because each x-value has one corresponding y-value.

Front

What is a vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.