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Question

Question: \[\lim_{x \rightarrow 1}(3x^{2} + 4x + 5) =\]...

lim⁡x→1(3x2+4x+5)=\lim_{x \rightarrow 1}(3x^{2} + 4x + 5) =

A

12

B

–1

C

Does not exist

D

None of these

Answer

12

Explanation

Solution

lim⁡x→1(3x2+4x+5)=3(1)2+4(1)+5=12\lim_{x \rightarrow 1}(3x^{2} + 4x + 5) = 3(1)^{2} + 4(1) + 5 = 12