f−1(−2) = f(−4) = f(f−1(−2))

Question

f−1(−2) =

f(−4) =

f(f−1(−2))

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Thu Nguyệt 4 months 2021-07-22T00:10:49+00:00 1 Answers 2 views 0

Answers ( )

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    2021-07-22T00:12:15+00:00

    Answer:

    f−1(−2) =  

    ⇒ -4

    f(−4) =  

    ⇒ -2

    f(f−1(−2)) =  

    ⇒ -2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )