Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Domain and Range - Concept

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Introduction to Functions - Problem 5

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Operations like adding, subtracting, multiplying, and dividing functions is just like combining like terms. It is very intuitive. Common errors with subtraction are forgetting to distribute the negative sign, with multiplication- forgetting to FOIL two binomials properly, and with division- forgetting to include a domain restriction for any input value that would make the denominator zero.

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