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If domain of f(x) be (-1, 2), then (1) ...

If domain of f(x) be (-1, 2), then
(1) domain of f(sin x) will be `(-oo, oo)`
(2) domain of f(ln x) will be `(1/e, e^2)`
(3) domain of f(2x-3) will be (1,5/2)
(4) domain of f([x]) will be [0, 2), where `[x]<=x`

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