🛠️ JEE➗ Maths

The function \( f(x)=3 x+\cos 3 x \) is:

Q1

The function \( f(x)=3 x+\cos 3 x \) is:

a

increasing on \( R \)

b

decreasing on \( R \)

c

strictly increasing on \( R \)

d

strictly decreasing on \( R \)

🔒
Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149

Practice more JEE Maths PYQs

See every question on Application of Derivatives, or browse the full JEE question bank.

See all questions on Application of Derivatives →