Green Bridge Learning Resource For Relate Function Domain To Graph And Context

Overview

The domain of a function is the set of inputs it is allowed to take, and where you read that domain depends on how the function is presented. On a graph the domain is the spread of x-values the curve covers; in a real situation it is the set of inputs that actually make sense, such as a length that cannot be negative.

In this lesson you will relate the domain of a function to its graph and to the context it describes. You will read a domain from a graph, recognize the mathematical restrictions that limit a domain, and decide which inputs are sensible in a real-world problem.

Lesson Evaluation

Congratulations on completing the lesson on Relate Function Domain To Graph And Context. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

A graph runs from x = 0 to x = 6. Its domain is: A. 0 <= x <= 6 B. 0 <= y <= 6 C. x >= 6 D. all real x Answer: A
What is the domain of f(x) = 1/(x - 2)? A. all real x B. all real x except x = 2 C. x >= 2 D. x > 0 Answer: B
The domain of f(x) = sqrt(x) is: A. x > 1 B. all real x C. x >= 0 D. x <= 0 Answer: C
For V(t) = 100 - 5t (a draining tank), the sensible domain is: A. all real t B. t >= 0 C. 0 <= t <= 20 D. t <= 0 Answer: C
A function counting numbers of people has a domain that is: A. continuous B. discrete (whole numbers) C. negative D. empty Answer: B