to see state-specific standards (only available in the US).
Write a function that describes a relationship between two quantities.
Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.
Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.