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Determine the infinite limit. lim x→−3− x + 4 x + 3

User Chozabu
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this is the concept of calculus, we are required to calculate the following limit.
lim as x→-3 (-x+4x+3)
plugging our values in f(x) we get:
(-(-3)+4(-3)+3)
=3-12+3
=-3
therefore:
lim as x←-3 f(x)=-3
User CallOfVoid
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