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surryyy

  • one year ago

Given the graph below, which of the following points would be included in the graph of the inverse of the function? Choose all that apply. (1, 0) (0, 1) (-2, 1) (1, 2)

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  1. anonymous
    • one year ago
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    01, iinverse ii2 the 2ame a2 rever2e

  2. anonymous
    • one year ago
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    2orry iif iim not correct though .-.

  3. imqwerty
    • one year ago
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    1st-we will write the equation of this graph

  4. imqwerty
    • one year ago
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    so we choose 2 points which lie on it and then we'll use double point form - \[\frac{ y-y _{1} }{ y _{2 }-y _{1}}=\frac{ x-x _{1} }{ x _{2}-x _{1}}\]where (x1,y1) and (x2,y2) are the 2 points which lie on the graph :)

  5. imqwerty
    • one year ago
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    so the 2 points which i chose are -(0,1) and (1,-2) substituting the values we get-

  6. imqwerty
    • one year ago
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    (y-1)/(-2-1)=(x-0)/(1-0) (y-1)/-3 = x y-1=-3x y=1-3x <-----equation of given graph

  7. imqwerty
    • one year ago
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    to find the equation of the inverse of this graph we just need to switch y and x

  8. imqwerty
    • one year ago
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    so the equation which we get is- x=1-3y <-----equation of inverse of the given graph

  9. imqwerty
    • one year ago
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    now u just need to try the options ..........put them in the equation nd if they satisfy then they lie on this inverse graph :)

  10. surryyy
    • one year ago
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    So its (1, 0) and (-2, 1)

  11. imqwerty
    • one year ago
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    yes :)

  12. surryyy
    • one year ago
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    Thanks! :)

  13. imqwerty
    • one year ago
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    no prblem :D

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