MA19.8A.19

Mathematics (2019) Grade(s): 8 - Grade 8 Accelerated

MA19.8A.19

Combine different types of standard functions to write, evaluate, and interpret functions in context. Limit to linear, quadratic, exponential, and absolute value functions.

Unpacked Content

Knowledge

Students know:
  • Techniques for expressing functional relationships between two quantities.
  • Techniques to combine functions using arithmetic operations.

Skills

Students are able to:
  • Accurately develop a model that shows the functional relationship between two quantities.
  • Accurately create a new function through arithmetic operations of other functions.
  • Present an argument to show how the function models the relationship between the quantities.

Understanding

Students understand that:
  • Relationships can be modeled by several methods.
  • Arithmetic combinations of functions may be used to improve the fit of a model.

Vocabulary

  • Function composition
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