A1 11 functions

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A1 11 functions

  1. 1. Algebra 1Functions: Evaluation, Domain and Range, SequencesFunction Notation: ___ is the input ___ is the name This does NOT of the function mean f _______ x f(x)Evaluate the function at and .Evaluate the function at and .Domain:If a function is ____________________________ for any input, we say that number is not inthe ___________________________ of the function.What are the domains and ranges of the functions? Domain: Range:Scatter plot Domain: Range: Domain: Range:
  2. 2. SequencesDomain = Set of _______________________________ numbers ( )5, 10, 15, 20, ________This is called an ___________________________________ sequence.“Arithmetic” sequences add the ________________ number every time to the previousnumber.How could we write that as an equation?Can you write an arithmetic sequence that starts with -2 and adds 3 each time?2, 4, 8, 16, ________This is called a ____________________________________ sequence.“Geometric” sequences _____________________________ the same number to the onebefore.How could we write that as an equation?Can you write a geometric sequence that starts with ¼ and multiplies by 2 eachtime?
  3. 3. Algebra 1 Name: ________________________________Functions 3 Homework1. Evaluate the function for and .2. Evaluate the function for and .3. What are the next four terms of the arithmetic sequence 21, 18, 15, 12, …?4. What are the next four terms of the arithmetic sequence if ?5. What are the next four terms of the geometric sequence 3, 6, 12, 24, …?6. What are the next two terms of the geometric sequence 8, 4, 2, 1, ½, …?7. a) Write an equation for a geometric sequence that starts with 16 and multipliesby -¼ each time.b) What are the next four terms of the sequence?

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