Question

Range of the function f(x) = (x² + x + 2)/(x² + x + 1) for all x in R, is

(a) (1, ∞) 

(b) ( 1, 11/7 ) 

(c) ( 1, 7/3] 

(d) ( 1, 7/5)  

Answer 1

Correct option (c) ( 1, 7/3]

Explanation:

Thus, the min value of g(x)