← Back to quiz index

Mathematics Part I - Continuity and Differentiability Quiz

Class XII
Mathematics
Continuity and Differentiability
13 questions
HARD

Ready to take the quiz?

Test takers will enter name and email before starting.

Start quiz

Preview questions

1. Which of the following functions is continuous everywhere?

f(x) = 1/x · f(x) = x^2 · f(x) = sin(x)/x · f(x) = log(x)

2. The derivative of a constant function is:

0 · 1 · undefined · constant

3. If f(x) is continuous at x = a, then which of the following must be true?

f(a) = L · f(a) = f'(a) · f(a) = lim x->a f(x) · f(a) exists

4. Which of the following conditions is NOT necessary for differentiability at a point?

Continuity at that point · Existence of the derivative · Left-hand derivative equals right-hand derivative · Function is polynomial

5. If f(x) is differentiable at x = c, then f(x) is:

always continuous at c · not continuous at c · only continuous at c · discontinuous at c