Algebra 1 Functions

Is the following a function? Explain.

• Yes, because it passes the vertical line test.

• Yes, because each input is mapped to exactly 1 output.

• No, because it fails the vertical line test.

• No, because the lines do not go straight across.

Is the following a function? Explain.

• Yes, because each input is mapped to exactly one output.

• Yes, because it passes the vertical line test.

• No, because it fails the vertical line test.

• No, because each input does not map to exactly one output.

Is the following a function? Explain.

• Yes, because it is on a graph.

• Yes, because it passes the vertical line test.

• No, because it fails the vertical line test.

• No, because it is a curved graph.

Is the following a function? Explain.

• Yes, because it passes the vertical line test.

• Yes, because it is on a graph.

• No, because it fails the vertical line test.

• No, because each input has more than one output.

Does this graph pass the vertical line test?

• Yes

• No

Is this graph a function or not a function? 

• Function 

• Not a Function 

What is the domain of the function?

• [-1, 0, 1, 2, 3, 4]

• -1 to 4

• [-2, 2, 4, 16, 20, 46]

What is the Range of the function shown?

What is f(1)?

• 1

• 5

• 0

• 4

Domain is the set of all...