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Module 3

Function Notation and Graphing

QuestionAnswer
If f(3)= -2, what does x=? What does y=? When f(3)= -2, x=3 y= -2
If 5^2 is 25, then what is the square root of 25? The square root of 25 is 5
The quadrants of a graph can be described as what ordered pairs? I=(x,y) II=(-x,y) III=(-x,-y) IV=(x,-y)
Define non-linear function. A polynomial function of degree 2 or higher.
What happens with a graph that is y=f(x+k) or y=f(x-k)? In what direction is the graph shifted? Horizontal shift. y=f(x+k) causes the graph to shift left. y=f(x-k) causes the graph to shift right.
What does a non-linear graph look like? Any graph that does not have a slope and does not resemble a straight line.
What is the opposite of multiplying a number by itself? Square Root
Created by: j0dor