Stretch and Shrinks

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# Stretch and Shrinks - PowerPoint PPT Presentation

Stretch and Shrinks. 8. GOAL. Understand what happens to a function when it is multiplied by a constant. Investigate!. Complete the table below , then graph each function on the same coordinate plane. g. Notes.

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## PowerPoint Slideshow about 'Stretch and Shrinks' - makya

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Presentation Transcript

### Stretch and Shrinks

8

GOAL
• Understand what happens to a function when it is multiplied by a constant.
Investigate!
• Complete the table below, then graph each function on the same coordinate plane

g

Notes
• This is called a stretch because the y value increases for each value of x.
Notes
• This is called a shrink because the y value decreases for each value of x.

a is called the “vertical stretch/shrink factor”

Note: If then it flipped over x-axis

Remember!
• All parent functions go through the point (1,1).
• The value of a tells you the new point it will go through.
• Example: will go through the point (1,3)
• Example: will go though the point ()
Zoom in
• Fill in the blanks
Homework
• All problems on Stretch/shrink worksheet