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Math Help - strictly monotonic

  1. #1
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    Wink strictly monotonic

    Suppose that f is a strictly monotonic, deravative function and f (1) = 2. Select which claims are true.

    1. (f−1)(1)=1f(1)

    2. (f−1)(2)=1f(1)

    3. (f−1)(1)=1f(2)

    4. (f−1)(2)=1f(2)

    5 f(1)=1(f−1)(2)
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  2. #2
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    Quote Originally Posted by sf1903 View Post
    Suppose that f is a strictly monotonic, deravative function and f (1) = 2. Select which claims are true.

    1. (f−1)(1)=1f(1)

    2. (f−1)(2)=1f(1)

    3. (f−1)(1)=1f(2)

    4. (f−1)(2)=1f(2)

    5 f(1)=1(f−1)(2)
    I solved it! It was 2 and 5
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