NDA 2022 Mathematics question

Consider the following in respect of the function : 1. Its domain is 2. It is a continuous function 3. It is differentiable at Which of the above statements are correct?

(A)1 and 2 only
(B)2 and 3 only
(C)1 and 3 only
(D)1, 2 and 3Correct

Answer: (D)

Solution

The exponential function is defined for every real , so its domain is . It is continuous and

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Question ID VK-029364