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lim (c · f(x)) = c · lim f(x) c " R
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lim (f(x) · g(x)) = lim f(x) · lim g(x)
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lim f(x)
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g(x) lim g(x)
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lim g(x)
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lim (f(x))g(x) = lim f(x)
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lim
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x4
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lim
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3
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lim
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f g
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lim g(y) = q
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lim lim e lim arctan
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sin x tan x
lim = 1 lim = 1
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lim
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3x + 7
1
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2
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x0 g(x0) = 0

g
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x4 = 4x, (-", 0]
ln x = 2 - x, [1, 2]