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Lesson 1 Operations (reg alg).notebook
1
March 24, 2014
Apr 144:44 PM
Bellringer
Find the indicated values for f(x) = x2 + 2x 3
1. f(1)
2. f(2)
3. f(a2)
Apr 143:52 PM
Operations on Functions
OperationDefinitionAlso Means
sum(f+g)x = f(x) + g(x)
difference(fg)x = f(x) g(x)
product(f g)x = f(x) g(x)
quotient f(x) = f(x) g g(x) **denominator ≠ 0
6
Lesson 1 Operations (reg alg).notebook
2
March 24, 2014
Apr 144:27 PM
Example 1: f(x) = 2x2 +4x 6g(x) = 2x 2
Find (f+g)x, (fg)x, (f g)x and (f/g)x
Apr 144:27 PM
Example 2: f(x) = x + 2g(x) = x2 4
Find (f+g)x, (fg)x, (f g)x and (f/g)x
Lesson 1 Operations (reg alg).notebook
3
March 24, 2014
Apr 144:27 PM
Example 3: f(x) = 6x2 13x 5g(x) =6x + 2
Find (f+g)x, (fg)x, (f g)x and (f/g)x
Apr 144:27 PM
Example 4: f(x) = 4x2 + 3x 1g(x) =2x 3
Find (f+g)x, (fg)x, (f g)x
Lesson 1 Operations (reg alg).notebook
4
March 24, 2014
Mar 1412:59 PM
Assignment: page 446 #2 7 ALL