1 / 12

5 WAYS

5 WAYS. to determine if it is a function. Relation - a set of input values and output values, often written as ordered pairs (where x is i nput and y is output) A function is a rule that assigns each input to exactly one output. Input Output

emile
Download Presentation

5 WAYS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 5 WAYS to determine if it is a function

  2. Relation- a set of input values and output values, often written as ordered pairs (where x is input and y is output)A function is a rule that assigns each input to exactly one output. Input Output 2 3 4 4 6 6 8

  3. This mapping shows each input value and its corresponding output value. This is NOT a function. Why? Input Output 2 3 4 4 6 6 8 The input “2” has more than one output.

  4. Is this a function? Input Output 12 03 Yes, the inputs have only one output.

  5. Is this relation a function? (3,1), (5,3), (2,8), (6,8) Yes, each input (x) has only one output (y)! None of the x’s are repeated!

  6. Is this relation a function? (5,8), (3,7), (1,6), (5,4) No, the input 5 has two outputs!

  7. Is this a function? No, because the input 2 has two outputs. Draw a vertical line to check.

  8. Is this a function? Yes, because each input has only one output. Draw vertical lines to check.

  9. Is this a function? No, because the input, 3, has infinite outputs.

  10. Is this a function? NO, use the vertical line test.

  11. Is this a function? y = 4x + 1 Yes, it’s linear, so think about the shape of the graph and the vertical line test!

  12. Is this a function? x y 0 1 • 3 2 5 Yes, each input has only one output!

More Related