Question

f(x) = { x + 2, x ≤ 2, x² , 2 < x ≤ 3, x³ - 18 , x > 3

(A) f(x) is continuous in R.

(B) f(x) is discontinuous at 'a' for some a ∈ R.

(C) f(x) is continuous at infinitely many real x.

(D) f(x) is discontinuous at infinitely many real x

Answer 1

Correct option (A)(C)

Explanation:

f is discontinuous at points outside its domain.