Which function has range {all real numbers} (A) (B) (C)
Chapter 1, Problem 1.242(choose chapter or problem)
Which function has range {all real numbers}?
(A) \(f(x)=4+\ln x\)
(B) \(f(x)=3-1 / x\)
(C) \(f(x)=5 /\left(1+e^{-x}\right)\)
(D) \(f(x)=\operatorname{int}(x-2)\)
(E) \(f(x)=4 \cos x\)
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