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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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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.
Adding onto our equation 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