Georgia Performance Standard (GPS): MM4A1 “Students Will Explore Rational Functions.”
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Transcript of Georgia Performance Standard (GPS): MM4A1 “Students Will Explore Rational Functions.”
Relations and Functions
Georgia Performance Standard (GPS): MM4A1
“Students Will Explore Rational Functions.”
A. Investigate and explain characteristics of rational functions, including domain, range, zeros, points of discontinuity, intervals of increase and decrease, rates of change, local and absolute extrema, symmetry, asymptotes, and end behavior.
B. Find inverses of rational functions, discussing domain and range, symmetry, and function composition.
GPS MM4A1
C. Solve rational equations and inequalities analytically, graphically, and by using
appropriate technology.
GPS MM4A1
Relation: a set of ordered pairs – each x-value is paired with one or more y-values
Function: a set of ordered pairs, no x-value is repeated – each x-value is paired with exactly one y-value
Vertical Line Test: the graph of a relation represents a function if no vertical line intersects more than one point on the graph at the same time
Vocabulary
Does { (1,3) (2,5) (3,4) (2,-6) } represent a function?
YES or NO? What is the domain? What is the range?
Example 1
“Evaluate” means to solveEX. 6:Evaluate each function for the given values of
xf(x)=2x-3 for x=1 and x=-3
Evaluate
Answers5. No6. Yes7. Yes8. No9. Yes10. No16. Yes17. Yes18. No19. Yes20. Yes
21. Yes22. Yes23. Yes24. No25. No26. No27. Yes28. No29. Yes30. No31. Yes32. Nope