practice 10 1 13

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Example Problem 1 1. Create a table with 3 points x y 2 2.5 0 1.5 2 4.5 2. Label the slope triangles on the graph 3. Write an equaAon using the graphic organizer. 4. Is the graph a funcAon? JusAfy your answer. This graph is a func.on because it passes the ver.cal line test. 5. What type of correlaAon is present? Is it increasing or decreasing from leJ to right? Nega.ve correla.on, the graph is decreasing from le: to right. 6. Is the graph conAnuous or discrete? JusAfy your answer. The graph is con.nuous because the points are connected by a line. 7. What is the speed of the graph? Is it more steep or less steep? Fast or slow? The graph is more steep, it is decreasing fast. 8. Write the Domain and Range in interval notaAon. D: (2, 2] start at the most nega.ve endpointposi.ve endpoint on the xaxis. R: [4.5,1.5) start at the most nega.ve endpointposi.ve endpoint on the yaxis.

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Page 1: Practice 10 1 13

Example  Problem      

1  

1.  Create  a  table  with  3  points  

x   y  

-­‐2   2.5  

0   -­‐1.5  

2   -­‐4.5  

2.  Label  the  slope  triangles  on  the  graph  

3.  Write  an  equaAon  using  the  graphic  organizer.        4.  Is  the  graph  a  funcAon?    JusAfy  your  answer.  This  graph  is  a  func.on  because  it  passes  the  ver.cal  line  test.    5.  What  type  of  correlaAon  is  present?    Is  it  increasing  or  decreasing  from  leJ  to  right?  Nega.ve  correla.on,  the  graph  is  decreasing  from  le:  to  right.    6.  Is  the  graph  conAnuous  or  discrete?    JusAfy  your  answer.  The  graph  is  con.nuous  because  the  points  are  connected  by  a  line.    7.  What  is  the  speed  of  the  graph?    Is  it  more  steep  or  less  steep?    Fast  or  slow?  The  graph  is  more  steep,  it  is  decreasing  fast.    8.  Write  the  Domain  and  Range  in  interval  notaAon.    D:  (-­‐2,  2]    start  at  the  most  nega.ve  endpointàposi.ve  endpoint  on  the  x-­‐axis.  R:  [-­‐4.5,1.5)  start  at  the  most  nega.ve  endpointàposi.ve  endpoint  on  the  y-­‐axis.  

Page 2: Practice 10 1 13

                 PracAce  Problem  #1                For  each  problem,  answer  the  8              quesAons  found  in  the  example              problem.  

                                                                                                       PracAce  Problem  #2        PracAce  Problem  #3                                                                                                                                                      PracAce  Problem  #4                    

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