Assignment 1b- N

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Nermin Fialkowski Dr. Monica Kelly AIL 622 8 September, 2018 Assignment 1B- Set Up Essential Questions 1. What other properties of functions can I use to help provide me with a better understanding of how these functions behave? 2. How can limits provide me with insight to convergent and divergent functions? Chapter 5: Section 1- Rational Functions Word Wall Rational Function

Reciprocal Function

Vertical Asymptotes

Slant Asymptotes

Horizontal Asymptotes

Approach Rational Functions !

Rewriting rational functions into transformations of ". Use idea of rewriting improper fractions into mix numbers to achieve this. 20 17 + 3 3 = =1+ 17 17 17

π‘₯+2 π‘₯βˆ’1+2+1 π‘₯βˆ’1+3 π‘₯βˆ’1 3 = = = + π‘₯βˆ’1 π‘₯βˆ’1 π‘₯βˆ’1 π‘₯βˆ’1 π‘₯βˆ’1 =1+

3 3 β†’ +1 π‘₯βˆ’1 π‘₯βˆ’1

0(")

Vertical asymptotes of rational functions 𝑓(π‘₯) = 1(") π‘ž(π‘₯) = 0

3" 4 5β‹―

Horizontal asymptotes of rational functions 𝑓(π‘₯) = 7" 8 5β‹― If 𝑛 < π‘š

If 𝑛 = π‘š

If 𝑛 > π‘š

Horizontal Asymptote = 0

Horizontal Asymptote = 7

3

No Horizontal Asymptote

If 𝑛 is greater than π‘š by EXACTLY 1, then there is a Slant Asymptote β†’ Do long division

Reciprocal Functions !

Essential Question #1

Graph 𝑓(π‘₯) = π‘₯ ? βˆ’ 4 and 𝑔(π‘₯) = B(") on the same axis Use properties of 𝑓(π‘₯), to graph 𝑔(π‘₯) Why/how do the zeros of 𝑓(π‘₯) turn into the vertical asymptotes of 𝑔(π‘₯)? What remains positive/negative? Increasing/decreasing?

Differentiated Learning 0(")

Have students create their own rational 𝑓(π‘₯) = 1(")

Will use all of their knowledge on zeros, asymptotes, y-intercept, and re-writing !

into transformations of ", in order to create their own unique graphs. Will be put on display Chapter 5: Section 2- Limits Word Wall Limit

Continuous

Hole

Vertical

Slant Asymptote

Asymptote Horizontal

Infinity

Does Not Exist

One-Sided Limit

Asymptote

Piecewise Functions

Approach Limits Intuitive approach using Benny & Bertha the Bug

Essential Question #2

As Benny & Bertha β€œget closer, and closer” to said x-value, how high are they getting (yvalue)? Will Benny & Bertha meet at the same place? Use for both One-Sided Limit and Definition of a Limit The existence of a point is irrelevant for a limit to be possible. What matters is where Benny & Bertha go and if they go to the same place 𝑓(π‘Ž) does not have to equal lim 𝑓(π‘₯) "β†’3

Algebracially solving a limit Direct Substition Numberical Value ! H H H

β†’Vertical Asysmptote β†’Indeterminateβ†’Do β€œalgebra” Factor Hole Rationalize

Formal definition of continutity 𝑓(π‘Ž) exists lim 𝑓(π‘₯) exists

"β†’3

lim 𝑓(π‘₯) = 𝑓(π‘Ž)

"β†’3

Piecewise Function Use to discuss continuty, evalute limits, and identify y-values.

Differentiated Learning Students will create their own piecewise graphs (like above) and pose various questions about the graph. Will quiz their classmates on the answers. 𝑓(βˆ’1)

𝑓(1)

lim 𝑓(π‘₯)

"β†’!

lim 𝑓(π‘₯)

"β†’I

lim 𝑓(π‘₯)

"β†’JI

lim 𝑓(π‘₯)

"β†’JK

𝑓(βˆ’4)

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