options: Interpret expressions for functions in terms of the situation they model.

Analyze functions using different representations.

Build new functions from existing functions.

Build a function that models a relationship between two quantities.

Model periodic phenomena with trigonometric functions.

Define, evaluate, and compare functions.

Extend the domain of trigonometric functions using the unit circle.

Construct and compare linear and exponential models and solve problems.

Interpret functions that arise in applications in terms of the context.

Use functions to model relationships between quantities.

Understand the concept of a function and use function notation.

Prove and apply trigonometric identities.
problem_activity: Sylvia bikes home along a straight road from her friend’s house, a distance of 8 miles. The graph shows her journey:
[IMG]
Describe what may have happened. Be sure to include details about her pace, points that indicate a change in action, and where she starts and stops.
Are all sections of the graph realistic? Explain your reasoning.


correct_option_index: 8