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Functions — Introduction

Understand functions, domain, range, function notation, and rates of change.

1
🗂ī¸Domain, Range & Function Notation

Define functions precisely and use f(x) notation fluently.

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2
📉Linear Functions & Their Graphs

Graph lines and interpret slope as a rate of change.

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3
🔄Comparing Linear, Quadratic & Exponential Functions

Identify and compare the long-run behavior of three fundamental function families.

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4
⚖ī¸Direct & Inverse Variation

Identify and write equations for proportional relationships between variables.

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