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Functions

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Now available: Coolmath Algebra books! Part 1, Part 2 and Part 3 covering the Algebra you need from Algebra 1 through Precalculus Algebra (Beginning Algebra through College Algebra)

other Coolmath Books: Coolmath Precalculus Review (the math you really need to survive Calculus 1) and Math Survival Guide (How to conquer math and deal with math anxiety)
Functions Lesson 1 What's a Function (Intro to Domain and Range)
Functions Lesson 2 Function Notation
crunch some
Functions Lesson 3 The Vertical Line Test
Functions Lesson 4 Functions With Sets
Functions Lesson 5 Domain and Range
Functions Lesson 6 Finding the Domain Without the Graph
Functions Lesson 7 Messier Notation
crunch some
Functions Lesson 8 The Difference Quotient
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Functions Practice
 This is a listing of the "crunch some" problems for this chapter
Substituting numbers into functions

Example: Given f(x) = 3x^2-7x+5 find f(-4)

 Finding f(x+h)

Example: Given f(x) = 3x^2-7x+5 find f(x+h)
Finding the difference quotient

Example: Given f(x) = 3x^2-7x+5 find ( f(x+h)-f(x) ) / h

 

 



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