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+1 vote
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in Sets, relations and functions by (53.3k points)
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The range of the function f(x) = x2 + x + 2/x2 + x + 1; x∈R

(A) (1,∞)

(B) (1,11/7)

(C) (1,7/3) 

(D)  (1, 7/5)

1 Answer

+1 vote
by (53.4k points)
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Best answer

Correct option   (C) (1,7/3) 

Explanation :

We have 

 Therefore, the range is (1,7/ 3) .

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