The number of solutions of _2(x+5) = 6 - x is

JEE Advanced Mathematics question

The number of solutions of is

(A)
(B)
(C)
(D)none of theseCorrect

Answer: (D)

Solution

Domain: . The equation is . *(Figure: graphs of the straight line (rising, through and ) and the decreasing exponential (meeting the -axis at ); they cross exactly

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Question ID VK-108655