options: Construct and compare linear and exponential models and solve problems.

Model periodic phenomena with trigonometric functions.

Define, evaluate, and compare functions.

Build a function that models a relationship between two quantities.

Prove and apply trigonometric identities.

Analyze functions using different representations.

Understand the concept of a function and use function notation.

Build new functions from existing functions.

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

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

Extend the domain of trigonometric functions using the unit circle.

Use functions to model relationships between quantities.
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: 9