UPSC NDA I 2018 Mathematics Solved Paper

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Question : 73 of 120

Marks: +1, -0

If 𝑓(𝑥) = |𝑥| + |𝑥 + 1| , then which one of the following is correct?

[NDA I 2018]

f(x) is continuous at 𝑥=0 and x=1
f(𝑥) is continuous at 𝑥=0 but not at 𝑥=1
𝑓(𝑥) is continuous at 𝑥=1 but not at 𝑥=0
𝑓(𝑥) is neither continuous at 𝑥=0 nor at 𝑥=1

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