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Math 113

Function Notation and Graphing

QuestionAnswer
f(x)=x+2 Which way does it move and how many places? it goes up 2 places!
f(x)=(x+5)^2-3 Which way does it move and how many places? It moves to the left 5 places and down 3 places
What is the square root of 9? 3!
What is the square root of 25? 5
What is the square root of 144? Its 12!
What is the square root of -36 There is no real number
What the the negative square root of 64 -8
f(x)=x-10 What way does it move and how many places? Down 10 places
f(x)=x^2 What shaped is it? Parabola
f(x)=lxl What shaped it is? V-shaped
Graph f(x)=lxl If x is -3, then f(-3) = l-3l or 3 if x is -2, then f(-2) = l-2l or 2 if x is 2 , the f(2) = l2l or 2 Remember f(x) = lxl is V-shaped!
Created by: Chelsea_taylor25