Solution set of equation (2) (Business Mathematics)

The solution set of (x^2+1)(x-2)≥0

is …

a. \{x | x>2\}
b. \{x | x≥2\}
c. \{x |-1≤x≤1 or x≥2\}
d. \{x | x≤-1 or 1≤x≤2\}
e. \{x |x≤2\}