options: Build a function that models a relationship between two quantities.

Model periodic phenomena with trigonometric functions.

Analyze functions using different representations.

Understand the concept of a function and use function notation.

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

Build new functions from existing functions.

Prove and apply trigonometric identities.

Define, evaluate, and compare functions.

Use functions to model relationships between quantities.

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

Construct and compare linear and exponential models and solve problems.

Extend the domain of trigonometric functions using the unit circle.
problem_activity: Problem 1
Is the point (
$$6$$
,
$$-1$$
) a solution to the linear equation
$$-2x + 4y = -8$$
? Explain.
Problem 2
Find three solutions to the linear equation
$$2x + 4y = -12$$
and use them to graph the equation.
[IMG]


correct_option_index: 8