Which function has a domain of (-♾, ♾) and a range of (-♾, 4); f(x) = -x^2+ 4 f(x) = 2^x + 4 f(x) = x+4 f(x)= -4x

Question

Which function has a domain of (-♾, ♾) and a range of (-♾, 4);
f(x) = -x^2+ 4
f(x) = 2^x + 4
f(x) = x+4
f(x)= -4x

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Gia Bảo 2 weeks 2021-07-16T06:33:59+00:00 1 Answers 0 views 0

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    2021-07-16T06:35:34+00:00

    Answer:

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