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Let f(x) = 2x + 1 for x < 2 and x² + 1 for x ≥ 2. What is the limit at x = 2?
A5
B4
C6
D3
Answer & Solution
Correct answer: A. 5
Both one-sided limits equal 5, from 2(2) + 1 and 2² + 1, so the limit is 5.
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