Domain
What is a Function?
A relation where each input (x) is paired with EXACTLY ONE output (y).
What is a relation?
A group or set of points.
The order in which Dorothy found her 3 companions on the yellow brick road.
Scarecrow, Tin Man, Lion
What is the Vertical Line Test?
A test used to determine if a graph is a function.
y = x + 10
Explain.
Yes, plugging in an "x" will give you only one "y"
y = 3x - 3
Is (5, 12) a solution?
Yes
State the domain: y = x + 2
Range: 8, 9, 10
6, 7, 8
State the range:
y = 0.5x + 2
Domain: 6, 8, 10
5, 6, 7
A function that contains an __________ will not be a straight line.
Exponent