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 skillsβperfect for learners of all ages.
Enroll to start learning
Youβve 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
Define a function in your own words.
π‘ Hint: Think about mappings between sets.
Question 2
Easy
What is the domain of the function f(x) = x^2?
π‘ Hint: Consider what values x can take.
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 set of inputs for a function known as?
π‘ Hint: Think of where the inputs come from.
Question 2
True or False: A bijective function must always be injective.
π‘ Hint: Consider the definitions of injective and bijective.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Consider the function f(x) = x^2 defined on the domain [-2, 2]. Identify the range. What type of function is it?
π‘ Hint: Think of the values that x can take.
Question 2
If h(x) = 2x + 1 and k(x) = (x - 1)/2, prove that k is the inverse of h.
π‘ Hint: Evaluate both compositions and simplify.
Challenge and get performance evaluation