options: Prove and apply trigonometric identities.

Build a function that models a relationship between two quantities.

Use functions to model relationships between quantities.

Define, evaluate, and compare functions.

Understand the concept of a function and use function notation.

Analyze functions using different representations.

Model periodic phenomena with trigonometric functions.

Build new functions from existing 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.

Interpret expressions for functions in terms of the situation they model.
problem_activity: Task
Using the graphs below, sketch a graph of the function $s(x) = f(x) + g(x)$.
[IMG]


correct_option_index: 1