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ERoseM

  • 3 years ago

What is the inverse of the function y=-x-1

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  1. jim_thompson5910
    • 3 years ago
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    Swap x and y to go from y = -x-1 to x = -y-1

  2. jim_thompson5910
    • 3 years ago
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    Then solve for y

  3. ERoseM
    • 3 years ago
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    I did and I got the same as before I did the inverse... is that correct?

  4. jim_thompson5910
    • 3 years ago
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    that is correct, the reason why is because y = -x-1 is perpendicular to y = x

  5. jim_thompson5910
    • 3 years ago
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    if you reflect y = -x-1 over the line y = x, you'll see that the line y = -x-1 will reflect over itself (ie it's symmetrical about the line y = x)

  6. ERoseM
    • 3 years ago
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    Thank you!

  7. jim_thompson5910
    • 3 years ago
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    np

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