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keeponbleeding

  • one year ago

f(x)=2/x^2-2x-3 whats the range?

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  1. amoodarya
    • one year ago
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    is the function f(x)=2/(x^2-2x-3) ?

  2. keeponbleeding
    • one year ago
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    yes

  3. amoodarya
    • one year ago
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    |dw:1358813023694:dw| solve for y

  4. amoodarya
    • one year ago
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    sorry i have mistake so look at this |dw:1358813276433:dw|

  5. amoodarya
    • one year ago
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    i am so sorry again look at this|dw:1358813417701:dw|

  6. amoodarya
    • one year ago
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    so 16Y^2 +8y>0 8y(2y+1) >0 then y>0 or y<-1/2

  7. keeponbleeding
    • one year ago
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    thats what I was going to write! sqrt16y^2+8y

  8. keeponbleeding
    • one year ago
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    how do I show it properly? most of my example show somethign like (-infinity, infinity) or (0, infinity) ect

  9. amoodarya
    • one year ago
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    |dw:1358813638796:dw|

  10. keeponbleeding
    • one year ago
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    thank you!

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