# Evaluate Non-Linear Models Part 4

Taught by TheMathDude
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Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, you learn how to compose two non-linear functions together by evaluating them both numerically and symbolically. By composing the two functions, you create a new function that is a combination of the two original functions. You also learn how to use a calculator to make the process easier and more efficient. Through practice problems, you learn how to manipulate the model parameters to answer questions about both input and output values.

Lesson Description:

Be able to evaluate (i.e. find an output given an input) and of the three model functions both numerically and symbolically.

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• How do you evaluate a non-linear model?
• If you are given an input for a non-linear model, how do you find the output?
• How can you find parameters and evaluate a composition of non-linear functions?
• How can you use the Equation Solver on a TI graphing calculator to solve for a parameter in a composition of non-linear functions?
• #### Staff Review

• Currently 5.0/5 Stars.
This lesson puts the previous 3 lesson together by doing a composition of non-linear functions, and explains how to enter and evaluate the non-linear function on a TI graphing calculator, which is used to help model and evaluate the function. This is a good wrap-up of this miniseries of lessons, and all resources are very helpful for learning this concept.