A city water company charges homeowners based on how much water they use in thousands of gallons. The company progressively char
ges at a higher rate the more water that is used Based on the graph at the above how much does the city charged when a home owner uses the following number of gallons of water: 
1 answer:
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Answer: B) False
The input x = 5 leads to the two outputs f(x) = 2 and f(x) = 1 (as shown by the green arrows in the attached image). In order to have a function, all of the inputs must lead to exactly one output.
The input x = 5 leads to the two outputs f(x) = 2 and f(x) = 1 (as shown by the green arrows in the attached image). In order to have a function, all of the inputs must lead to exactly one output.