Let f be a continuous on [1, 5] and differentiable in (1, 5) if f(1) = - 3 and f'(x) ≥ 9 for all x ∈ (1, 5) then which o
From the definition, complete solution: write formula, plug data, do arithmetic. Final value matches f(5) ≥ 33. Simple and accurate.
Ref: NCERT Mathematics Class XI and XII
