Practice: Brian has been working out is losing 4 pounds every week and is currently 160 pounds. Express his weight numerically over the next 4 weeks.

Concept #1: Intro to Functions

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Concept #2: Intro

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Practice: Brian has been working out is losing 4 pounds every week and is currently 160 pounds. Express his weight numerically over the next 4 weeks.

Practice: Express f(x)=-x^2+3 visually,

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