Find the limit by creating a table of values.
Table of contents
- 0. Functions4h 53m
- 1. Limits and Continuity2h 2m
- 2. Intro to Derivatives1h 33m
- 3. Techniques of Differentiation2h 18m
- 4. Derivatives of Exponential & Logarithmic Functions1h 16m
- 5. Applications of Derivatives2h 19m
- 6. Graphical Applications of Derivatives6h 0m
- 7. Antiderivatives & Indefinite Integrals48m
- 8. Definite Integrals4h 36m
- 9. Graphical Applications of Integrals1h 43m
- 10. Integrals of Inverse, Exponential, & Logarithmic Functions21m
- 11. Techniques of Integration2h 7m
- 12. Trigonometric Functions6h 54m
- Angles29m
- Trigonometric Functions on Right Triangles1h 8m
- Solving Right Triangles23m
- Trigonometric Functions on the Unit Circle1h 19m
- Graphs of Sine & Cosine46m
- Graphs of Other Trigonometric Functions32m
- Trigonometric Identities52m
- Derivatives of Trig Functions42m
- Integrals of Basic Trig Functions28m
- Integrals of Other Trig Functions10m
- 13: Intro to Differential Equations2h 23m
- 14. Sequences & Series2h 8m
- 15. Power Series2h 19m
- 16. Probability & Calculus45m
1. Limits and Continuity
Introduction to Limits
Multiple Choice
Using the graph, find the specified limit or state that the limit does not exist (DNE).
, , 
A
limx→−2−f(x)=1, limx→−2+f(x)=1, limx→−2f(x)=1
B
limx→−2−f(x)=1, limx→−2+f(x)=−1, limx→−2f(x)=DNE
C
limx→−2−f(x)=1, limx→−2+f(x)=1 , limx→−2f(x)=DNE
D
limx→−2−f(x)=0, limx→−2+f(x)=0, limx→−2f(x)=0
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Verified step by step guidance1
Step 1: Observe the graph of f(x) near x = -2. The graph shows the behavior of the function as x approaches -2 from the left (x → -2⁻) and from the right (x → -2⁺).
Step 2: To find limx→−2⁻f(x), examine the values of f(x) as x approaches -2 from the left side. Follow the curve to see where it is heading as x gets closer to -2 from the left.
Step 3: To find limx→−2⁺f(x), examine the values of f(x) as x approaches -2 from the right side. Follow the curve to see where it is heading as x gets closer to -2 from the right.
Step 4: To determine limx→−2f(x), check if the left-hand limit (limx→−2⁻f(x)) and the right-hand limit (limx→−2⁺f(x)) are equal. If they are not equal, the limit does not exist (DNE).
Step 5: Based on the graph, note that limx→−2⁻f(x) = 1, limx→−2⁺f(x) = -1, and since the left-hand limit and right-hand limit are not equal, limx→−2f(x) = DNE.
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