Table of contents
- 0. Fundamental Concepts of Algebra3h 29m
- 1. Equations and Inequalities3h 27m
- 2. Graphs1h 43m
- 3. Functions & Graphs2h 17m
- 4. Polynomial Functions1h 54m
- 5. Rational Functions1h 23m
- 6. Exponential and Logarithmic Functions2h 28m
- 7. Measuring Angles40m
- 8. Trigonometric Functions on Right Triangles2h 5m
- 9. Unit Circle1h 19m
- 10. Graphing Trigonometric Functions1h 19m
- 11. Inverse Trigonometric Functions and Basic Trig Equations1h 41m
- 12. Trigonometric Identities 2h 34m
- 13. Non-Right Triangles1h 38m
- 14. Vectors2h 25m
- 15. Polar Equations2h 5m
- 16. Parametric Equations1h 6m
- 17. Graphing Complex Numbers1h 7m
- 18. Systems of Equations and Matrices3h 6m
- 19. Conic Sections2h 36m
- 20. Sequences, Series & Induction1h 15m
- 21. Combinatorics and Probability1h 45m
- 22. Limits & Continuity1h 49m
- 23. Intro to Derivatives & Area Under the Curve2h 9m
4. Polynomial Functions
Graphing Polynomial Functions
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Based on the known points plotted on the graph, determine what intervals the graph should be broken into.
Plotted points are: (−3,0),(0,1),(2,0), & (5,0)

A
−∞→−3,−3→0,0→5,5→∞
B
−∞→−3,−3→0,0→2,2→5,5→∞
C
−∞→−3,−3→0,0→2,2→∞
D
−∞→0,0→2,2→5,5→∞

1
Identify the plotted points on the graph: (-3, 0), (0, 1), (2, 0), and (5, 0). These points are crucial in determining the intervals.
Consider the x-values of the plotted points: -3, 0, 2, and 5. These x-values will serve as the boundaries for the intervals.
Determine the intervals based on the x-values. The intervals should cover the entire x-axis, starting from negative infinity and ending at positive infinity.
Create intervals using the x-values as boundaries: (-∞, -3), (-3, 0), (0, 2), (2, 5), and (5, ∞).
Verify that these intervals cover all the x-values of the plotted points and ensure that each interval is continuous and non-overlapping.
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