EPISODE · Aug 18, 2026 · 4 MIN
Navy OAR Exam Prep 18, Functions Graphs and Variation
from Military Exam Prep
This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to evaluate function notation, especially with negative inputs, a common OAR trap. - A step-by-step method to find the slope and y-intercept for a linear equation from two points. - The definitions of domain and range and how they are tested with graphs and equations. - How to solve word problems involving direct variation (y=kx) and inverse variation (y=k/x). - The mnemonic "Directly Divide, Inversely Multiply" to quickly find the constant of variation 'k'. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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Navy OAR Exam Prep 18, Functions Graphs and Variation
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