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Brian McLogan
Learn how to subtract two functions
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Brian McLogan
Overview of combining functions
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Khan Academy
Khan Academy: Algebra: Sum of Functions
Video finding the sum of two quadratic functions. [2:33]
Khan Academy
Khan Academy: Introduction to Functions: Sum of Functions
Video finding the sum of two quadratic functions.
Virtual Nerd
Virtual Nerd: Algebra 2: What Are Function Operations?
Explains what function operations are, presents the rules for each of the four arithmetic operations, and gives examples for each rule. [6:12]