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Welcome To Algebra Concept week semester 2(week 4)
Mrs.Fardous Mrs. Beydoun
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S.L.O.T g=6x , solve for x Day 1 Monday February 26, 2018
Objective: I can evaluate a function with a given value. S.L.O.T g=6x , solve for x U= x-k , solve for x
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Evaluate Solve Plug in
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Evaluate p+2q+ 3r given p = 2 q = 4, r = 6
=2+ 2(4) + 3(6) = =28
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Example : Evaluate 3c + 5 if c = 5 and d = 1 4d Solution :
= 4 = 20 = 5
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Which do you prefer to write?
Function Notation The f is the name of the function machine and the value inside the parentheses is the input. The expression to the right of the equal sign shows what the machine does to the input. 25 Which do you prefer to write? Evaluate f when x = 25? OR 5
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Example If f(x) = 2x + 3, find f(5).
When evaluating, do not write f(x)! You want x=5 since f(x) was changed to f(5) You wanted to find f(5). So the complete final answer includes f(5) not f(x)
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Solving g(x)=2x-1 g(0) g(-1) g(2)
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Substitute and Evaluate
Evaluating Substitute and Evaluate The input (or x) is 3.
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I can evaluate functions
Day 2 Tuesday February 27, 2018 Objectives: I can evaluate functions I can determine if a value is a solution for a given function S.L.O.T g=3c , solve for c s= x + k , solve for x
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Day 3 Wednesday February 28, 2018
Objectives: I can evaluate functions I can determine if a value is a solution for a given function
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Solutions and evaluating Bingo
Let g(x)=-5x +2, Find g(-1) g(-1)=7
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Solutions and evaluating Bingo
Let g(x)=-5x +2, Find g(3) g(3)=-13
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Solutions and evaluating Bingo
Is (0,2) a solution for g(x)=-5x +2, YES
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Solutions and evaluating Bingo
Let f(x)=4x-2, Find f(1) f(1)=2
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Solutions and evaluating Bingo
Is (-2,4) a solution for f(x)=4x-2 NO
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Solutions and evaluating Bingo
Is (0,-2) a solution for f(x)=4x-2 YES
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Solutions and evaluating Bingo
Is (3,10) a solution for f(x)=4x-2 YES
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Solutions and evaluating Bingo
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Solutions and evaluating Bingo
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Solutions and evaluating Bingo
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S.L.O.T I can evaluate functions
Day 4 Thursday March 1, 2018 Objectives: I can evaluate functions I can determine if a value is a solution for a given function S.L.O.T D=rt , solve for t L+w+h=2, solve for L
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QUIZZIZ IXL 3 REVIEW
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