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300670
How to Determine the End Behaviour of a Polynomial Function
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Mind Map on How to Determine the End Behaviour of a Polynomial Function, created by maggie.martin11 on 24/10/2013.
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maggie.martin11
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Resource summary
How to Determine the End Behaviour of a Polynomial Function
ODD NUMBER: This means the function is an Odd-Degree Polynomial (ex. 2x + 3x + 4x +5)
Is the leading coefficient (leading term) a positive or negative number?
Positive [a > 0]
End Behaviour: as x→ -∞, y→ -∞ as x→ ∞, y→ ∞
Example:
Domain= {x Range= {y
Max/Min: Neither positive or negative have a maximum or minimum value
Turning Points: Even number (The largest number of turning points is n-1, if n= degree)
The function starts in the 3rd quadrant and ends in the 1st quadrant
Negative [a < 0]
End Behaviour: as x→ -∞, y→ ∞ as x→ ∞, y→ -∞
Example:
Domain= {x Range= {y
The function starts in the 2nd quadrant and ends in the 4th quadrant
EVEN NUMBER: This means the function is an Even-Degree Polynomial (ex. 3x + 4x +5)
Is the leading coefficient (leading term) a positive or negative number?
Positive [a > 0]
End Behaviour: as x→ -∞, y→ ∞ as x→ ∞, y→ ∞
Example:
Domain= {x Range= {y|y > a}
Max/Min: Minimum value→a
The function starts in the 2nd quadrant and ends in the 1st quadrant
Negative [a < 0]
End Behaviour: as x→ -∞, y→ -∞ as x→ ∞, y→ -∞
Example:
Domain= {x Range= {y|y < a}
Max/Min: Maximum value→a
Turning Points: Odd number (The largest number of turning points is n-1, if n= degree)
The function starts in the 3rd quadrant and ends in the 4th quadrant
Is the largest degree of the Polynomial function an Odd or Even number?
Media attachments
PolynomialPosEven.gif (image/gif)
PolynomialPosOdd.gif (image/gif)
PolynomialNegEven.gif (image/gif)
PolynomialNegOdd.gif (image/gif)
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