JEE Main 2021 Mathematics question

Let f : (a,b) R be twice differentiable function such that for a differentiable function g(x). If f(x) = 0 has exactly five distinct roots in (a, b), then g(x) = 0 has at least :

• (A)twelve roots in (a, b)
• (B)five roots in (a, b)
• (C)seven roots in (a, b)
• (D)three roots in (a, b)Correct