In the previous two sessions, we looked at linear relationships and developed strategies for solving linear equations. Linear functions are important in mathematics and are usually studied first because linear equations are the easiest to solve. In this session, we'll expand our exploration of functions and relationships to include two types of nonlinear functions: exponential functions and quadratic functions. Note 1

Part A:	Exploring Exponential Functions
Part B:	Exponential Growth
Part C:	Figurate Numbers
Part D:	Quadratic Functions
Homework

This session explores nonlinear functions. We will:

Become familiar with exponential and quadratic functions

Understand that exponential functions are expressed in constant ratios between successive outputs

Understand that quadratic functions have constant second differences

Work with graphs of exponential and quadratic functions

Explore exponential and quadratic functions in real-life situations

Throughout the session you will be prompted to view short video segments. In addition to these excerpts, you may choose to watch the full-length video of this session.

Previously Introduced:

New in This Session:

closed-form description
recursive description
function
independent variable
dependent variable

exponential function
base
exponent
exponential growth function
exponential decay function
quadratic function
parabola
constant differences
figurate number

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