Recitation 9/13/23 MA 131 WebAssign Due Dates 1. Difference Equations (I) - 9/21 2. Mini-homework: Difference Equations - 9/21 3. Difference Equations (II) - 9/21 4. Derivatives and tangent lines - 9/21 5. Limits, Continuity and Differentiability - 9/21 6. Derivatives (II) - 9/21 Recommended Due Dates 1. Difference Equations (I) - ASAP 2. Mini-homework: Difference Equations - ASAP 3. Difference Equations (II) - ASAP 4. Derivatives and tangent lines - 9/15 5. Limits, Continuity and Differentiability - 9/17 (finishing content tomorrow) 6. Derivatives (II) - 9/18 (finishing content tomorrow) Attendance Questions 1. What questions do you have about the upcoming exam? (It's next Thursday!) This can be about the structure, any content-related questions, etc. 2. What is your favorite candy? Today's Goal:Solidify our understanding of limits and the derivative 1

Problem 1:Evaluate the limit, if it exists. 1.limx→5 (2 + 2x3 ) 2.limx→6 |x−6| 3.lim x→3 1 x−3 4.limx→4 p 4x2+ 5 5.limx→∞ 7x 6.lim x→∞ 9 x 2

Problem 2:Consider the graph of the functionf(x): At which x-values does the limit off(x)exist? At which x-values is the function differentiable? 3

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