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sloppycanada

  • one year ago

Following graph is equal to what equation? I believe for this one it is equal to - http://gyazo.com/475495bdd392f70271f92a9bbc31f562

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  1. sloppycanada
    • one year ago
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    |dw:1435756207246:dw|

  2. sloppycanada
    • one year ago
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    @UsukiDoll Help me, this is just checking what I've done for these evil review problems.

  3. UsukiDoll
    • one year ago
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    oh this is a graph transformation.. so we compare f(x) = 2^x and create some sort of transformation to have the blue line

  4. sloppycanada
    • one year ago
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    Yup! I have five of them on this torturous review packet

  5. UsukiDoll
    • one year ago
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    what do you notice? we have the original equation but there's something going on for the blue line

  6. UsukiDoll
    • one year ago
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    is there a rotation or a reflection?

  7. sloppycanada
    • one year ago
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    I think it's a reflection.

  8. UsukiDoll
    • one year ago
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    yes we are reflecting.. Are we reflecting along the y axis or the x axis?

  9. UsukiDoll
    • one year ago
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    for reflection y=f(-x) reflection along the y axis y= -f(x) reflection along the x axis

  10. sloppycanada
    • one year ago
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    X-axis.

  11. UsukiDoll
    • one year ago
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    woohoo! but we're still not done.. we may have reflect but is the reflected graph going down, up, left, or right ?

  12. sloppycanada
    • one year ago
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    Right?

  13. UsukiDoll
    • one year ago
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    probably not because if you're shifting to the right.. we won't have an intersection point which is (0,1)

  14. UsukiDoll
    • one year ago
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    |dw:1435757215889:dw|

  15. UsukiDoll
    • one year ago
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    so what direction do I need to go so my new graph and the old graph intersect at (0,1)?

  16. UsukiDoll
    • one year ago
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    oy yah |dw:1435757310996:dw|

  17. sloppycanada
    • one year ago
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    Move it up!

  18. UsukiDoll
    • one year ago
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    yeah . by how many units?

  19. UsukiDoll
    • one year ago
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    so now we have g(x) = -2^x + ?

  20. sloppycanada
    • one year ago
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    3?

  21. UsukiDoll
    • one year ago
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    ok.. but the intersection point will be (0,2) instead.

  22. sloppycanada
    • one year ago
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    Okay. So 2.

  23. UsukiDoll
    • one year ago
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    mhm! so now our g(x) = -2^x+2

  24. UsukiDoll
    • one year ago
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    it's 3:33 in the morning.. so I'm going to take a break from answering questions and log off to go bed...

  25. sloppycanada
    • one year ago
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    I think that's it for the problem right? Thanks a bunch you've been really helpful.

  26. UsukiDoll
    • one year ago
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    yup that's it... you can check this graph for reference.

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