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Grade 11Differential Calculus

The Domain Of The Function f(x) = sq.rt (2-|x|) + sq.rt (1+|x|) is:
a) [2,6]
b) (-2,6]
c) [8,12]
d) None

Shadic The Hedgehog

6 Years agoGrade 11

1 Answer

Aditya Gupta

6 Years ago

2- |x| must be greater than zero.

Or |x| must be less than 2.

Or x lies in [-2, 2], which is the required domain since 1+|x| is always greater than zero.

So domain is [-2,2] hence option D) none

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