Lesson 246 of 1524
4.12 Domain and Range, Part 1
You noticed the reasonableness of an input depends on the situation’s context
Practice this chapterYou noticed the reasonableness of an input depends on the situation’s context You also identified input-output pairs from graphs
Earlier, you saw a situation where the total number of times a dog has barked was a function of the time, in seconds, after its owner tied its leash to a post and left.
Be able to describe the “domain” and “range” of a function; determine a reasonable domain and range for the function when given a description of a function in a situation; identify any restrictions or limitations on the input variable, usually denoted as x.
Worked example
What does this chapter state?
- 1You noticed the reasonableness of an input depends on the situation’s context
- 2That claim is the chapter’s own statement.
- 3Answer from the claim, not from where the chapter sits in the book.
Result: You noticed the reasonableness of an input depends on the situation’s context
Why. The sentence is taken from this chapter’s summary or key concepts.
Answer with the meaning this chapter gives. A nearby idea from the same book is a different term.
Practice margin
This chapter
A fresh set from this chapter only. Choose 10 or 20. Multiple choice and fill-in, with no repeat inside the set.