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Assume that f is a differentiable function defined on all of the real line.Is it possible that f > 0 everywhere, f ' > 0 everywhere, and f ' < 0 everywhere?
Cryosurgery
A medical procedure that uses extreme cold to destroy abnormal or diseased tissue, including cancers.
Emollients
Substances that soften and moisturize the skin to reduce itching and flaking.
Antifungals
Medications specifically designed to treat or prevent fungal infections by disrupting the cell structures of fungi or preventing their growth.
Keratolytics
Substances used to soften and remove excess keratin from the skin's surface.
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