Answer:
Domain = {-2, 2, 3, 4, 5}
Range= {6, 0, 6, -1, 3)
It is a function
Step-by-step explanation:
It is a function because there is only one y value for each x value
The activity type would be the input and the cost would be the output. Because there are two different costs for the same activity, this would not be a function.
-9x > 54 <em>change the signs</em>
9x < -54 <em>divide both sides by 9</em>
x < -6