End Behavior.notebook
October 03, 2012
Section 3­5: End Behavior
Describes what the "y" values do as |x| gets larger and larger.
Notation: f(x) ⇒_____ as x ⇒∞
f(x) ⇒_____ as x ⇒-∞
For polynomial functions, look at the largest exponent and the sign of the leading coefficient
1
End Behavior.notebook
October 03, 2012
Describe the end behavior of the functions:
f(x) = 4x11 ­ 3x2 + 7x5­ 21
f(x) = ­3x8+ 5x7­ 6
Example: Find the end behavior of
f(x) = ­1/x3 + 2
2
End Behavior.notebook
October 03, 2012
Intervals for Increasing/Decreasing
3