The domain of the function f(x) = sin^-1 (x^2 - 3x + 2 / x^2 + 2x + 7) is :

Question

The domain of the function f(x) = sin^-1 \((\frac{x^2-3x+ 2}{x^2+ 2x+ 7})\) is:

(A) [1, ∞) 

(B) (-1, 2] 

(C) [-1, ∞) 

(D) (-∞,2]

Answer 1

Correct option is (C) [-1, ∞)