Answer:
Domain: input values (x-values)
Range: output values (y-values)
Increasing function: the average rate of change is positive
Decreasing function: the average rate of change is negative
Constant function: y-values do not vary, regardless of x-values
Graph 1
From inspection of the graph, 2 squares = 1 unit.
Domain: [-2, 3]
Range: [-2, 2]
Increasing function: (-2, 0)
Decreasing function: (0, 3)
Graph 2
From inspection of the graph, 2 squares = 1 unit.
Domain: [-2, 3]
Range: [-2.5, 2]
Increasing function: (-2, -1) ∪ (1.5, 3)
Decreasing function: (-1, 1.5)
Graph 3
From inspection of the graph, 2 squares = 1 unit.
Domain: [-2, 3]
Range: [-1, 2]
Increasing function: (-2, -1)
Constant: (-1, 1)
Decreasing function: (1, 3)
