See below for the solution to each question
Is the graph a function?
Yes, the graph is a function.
This is because all x values have different y values
The domain
This is the set of input values of the graph.
From the graph, we have
x = 0 to x = 17
Hence, the domain is [0, 17]
The range
This is the set of output values of the graph.
From the graph, we have
y = 0 to y = 10
Hence, the range is [0, 10]
The maximum
This is the maximum point on the graph.
From the graph, we have
Maximum = (12, 10)
The minimum
This is the minimum point on the graph.
From the graph, we have
Minimum = (0, 0)
The increasing intervals
These are the intervals where the y values increase as x increase.
From the graph, we have
Increasing intervals = (0, 5) ∪ (10, 12) ∪ (14, 15)
The decreasing intervals
These are the intervals where the y values decrease as x increase.
From the graph, we have
Decreasing intervals = (7, 10) ∪ (12, 14) ∪ (15, 17)
The constant intervals
These are the intervals where the y values remain unchanged as x changes.
From the graph, we have
Constant intervals = (5, 7)
Read more about functions at
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