1.

The domain of cos-1x2-4 is(a) [3, 5](b) [−1, 1](c) -5, -3∪3, 5(d) -5, -3∩3, 5

Answer» The domain of cos-1x2-4 is

(a) [3, 5]

(b) [−1, 1]

(c) -5, -33, 5

(d) -5, -33, 5


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