Find Points On A Graph

Discussion in 'Other Pre-University Math' started by nycmathguy, Jul 28, 2021.

  1. nycmathguy

    nycmathguy

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    Section 1.7
    Question 67

    The graph of y = f(x) passes through the points
    (0, 1), (1, 2), and (2, 3). Find the corresponding points on the graph of y = f(x + 2) − 1.

    How is this done?
     
    nycmathguy, Jul 28, 2021
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  2. nycmathguy

    MathLover1

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    given points (x,y):
    (0, 1), (1, 2), and (2, 3). =>note you add 1 to x value to get y value

    find the corresponding points on the graph of y = f(x + 2) − 1
    (0, 1) substitute x=0
    y = f(0 + 2) − 1
    y = f(2) − 1..........from given f(2)=3
    y = 3 − 1
    y=2
    the corresponding point for (0, 1) is (0,2)

    (1, 2)
    substitute x=1
    y = f(1 + 2) − 1
    y = f(3) − 1..........from given f(3)=4
    y = 4 − 1
    y=3
    the corresponding point for (1, 2) is (1,3)

    (2, 3)
    substitute x=2
    y = f(2 + 2) − 1 ......from given f(4)=5
    y = 5 − 1
    y=4
    the corresponding point for (2, 3) is (2,4)
     
    MathLover1, Jul 28, 2021
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    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

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    Interesting problem. Understood. Cool.
     
    nycmathguy, Jul 28, 2021
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