The item I is increasing and the item II is also increasing. Then the correct option is C.
What is the equation of line?
The equation of line is given as
y = mx + c
Where m is the slope and c is the y-intercept.
The equation is given below.
y = 9x + 9
The slope will be 9.
Then the item I is increasing and the item II is also increasing.
Then the correct option is C.
The complete question is attached below.
More about the equation of line link is given below.
https://brainly.com/question/21511618
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