Lesson 266 of 1524
5.12 Reasoning about Exponential Graphs, Part 1
She continues spending a third of what is left each week thereafter
Practice this chapterShe continues spending a third of what is left each week thereafter The equation that results is g = 180 · ( 23 ) t
In the first week, she spent a third of the gift money. Then, she spends a third 1 3 of the whole amount each week.
third of what — left each week thereafter.
Be able to describe the effect of changing a and b on a graph that represents f ( x ) = a · b x; use equations and graphs to compare exponential functions.
Worked example
What does “third of what” mean in 5.12 Reasoning about Exponential Graphs, Part 1?
- 1Use the wording this chapter gives for third of what.
- 2The book says: left each week thereafter.
- 3Keep the answer tied to this term.
Result: left each week thereafter
Why. That is the meaning this chapter gives for third of what.
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.