Practice Examples - 6.2 | Chapter 8 Application of Calculus | ICSE Class 12 Mathematics
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Determine if f(x) = 2x + 3 is increasing or decreasing.

πŸ’‘ Hint: Check the sign of the derivative.

Question 2

Easy

Find the first derivative of f(x) = 4xΒ² - 5.

πŸ’‘ Hint: Apply the power rule for derivatives.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is true about increasing functions?

  • f'(x) > 0
  • f'(x) < 0
  • f'(x) = 0

πŸ’‘ Hint: Remember the definition of increasing functions.

Question 2

True or False: The local maximum occurs where the first derivative changes from positive to negative.

  • True
  • False

πŸ’‘ Hint: Think about how the slope behaves at maximum points.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A farmer wants to create a rectangular field with a fixed area of 500 mΒ². What should be the dimensions of the field that minimize the perimeter?

πŸ’‘ Hint: Express perimeter in terms of one variable and set up an optimization problem.

Question 2

Find the maximum volume of a rectangular box with a square base and open top, given a surface area of 600 mΒ².

πŸ’‘ Hint: Use surface area constraints to derive volume in a single variable and optimize.

Challenge and get performance evaluation