DHS - 5.2
№1.24 Prove that the function f (x) = x2 / (7 + x); φ (x) = 3x2 - x2 as x → 0 are the infinitesimal of the same order of smallness.
№2.24 Find limits.
№3.24 investigate these functions continuity and build their schedules.
№4.24 investigate these functions continuity at these points. f (x) = ....; x1 = -2; x2 = -1.

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