Section 2.8
How to Add, Subtract, Multiply, and Divide Functions.
Always include the Domain if necessary.
Given: f(x) = 5x2 g(x) = x­6
Find: f + g
Find: f ­ g
Find: fg
Find: f/g
Given: f(x) = √x g(x) = √4­x2
Find: f + g
Find: f ­ g
Find: fg
Find: f/g
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Given: f(x) = 5x2 g(x) = x­6
Find: f(g(0)) g(f(2))
Find: (f ο g)(-2)
(g ο g)(-2)
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Composition of Functions
3
Assignment
page 225 2,4,6,18­32E,30,32
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