alleryStart learning →If $f(x)=x^2+3x$, then $f'(x)$ equals:
- $2x$
- $2x+3x$
- $2x+3$
- $x+3$
Show answer and solution
Correct answer: C. $2x+3$
Differentiate term by term: d/dx(x²+3x) = 2x + 3.
Indian Navy 10+2 B.Tech Cadet Limits and Derivatives — practice questions
Explore 3 free Limits and Derivatives questions in Indian Navy 10+2 B.Tech Cadet Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
Practise Limits and Derivatives with Quill →Limits and Derivatives questions and exercises with answers
Showing questions 1–3 of 3.
Worked practice questions
Key in the limit
Read exercise and reference answers
- Questions
- Answer
- 9
- Question
- What is the limit of x squared as x tends to 3?
- Answer
- 4
- Question
- What is the derivative of x squared at x = 2?
- Answer
- 0
- Question
- What is the derivative of any constant?
- Answer
- 3
- Question
- What is the derivative of x cubed at x = 1?
- Instructions
- Work out each answer and key it in on the pad.
_Source: syllabus Maths Ch12 Limits and Derivatives, LIMITS AND DERIVATIVES_
Which one does NOT belong?
Read exercise and reference answers
- Questions
- Items
- Cartesian product
- Limit
- Derivative
- Rate of change
- Reason
- Cartesian product belongs to set theory. The other three are calculus ideas.
- Odd item
- Cartesian product
- Items
- Left hand limit
- Common difference
- Right hand limit
- Two-sided limit
- Reason
- Common difference belongs to arithmetic progressions, not to limits.
- Odd item
- Common difference
- Instructions
- Tap the item that does not belong with the rest.
_Source: syllabus Maths Ch12 Limits and Derivatives, LIMITS AND DERIVATIVES_
How to practise
- Choose a Limits and Derivatives question and try to work out your answer.
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