Q. 345.0( 1 Vote )

Mark the correct alternative in the following:

The domain of definition of the function is

A. [1, ∞)

B. (-∞, 3)

C. (1, 3)

D. [1, 3]

Answer :

Here, -1≥0 and 3-x≥0

So, x≥1 and x≤3


Therefore, x[1, 3]
option D is correct..

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