Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the inverse of f(x) = x + 5?
💡 Hint: Think about how to 'undo' the addition of 5.
Question 2
Easy
Determine the inverse of f(x) = 4x.
💡 Hint: What operation reverses multiplication by 4?
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the inverse of the function f(x) = 5x - 2?
💡 Hint: Consider how to reverse the subtraction and multiplication.
Question 2
True or False: Only surjective functions can have inverses.
💡 Hint: What does it mean for a function to be injective?
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Determine the inverse of f(x) = (2x - 1)/(x + 3). Explain how you found your answer.
💡 Hint: Cross-multiply to eliminate the fraction.
Question 2
Show that f(x) = (3x + 2)² does NOT have an inverse function.
💡 Hint: Investigate the outputs for symmetry.
Challenge and get performance evaluation