Jamilla is moving to a new city. She researches the rates charged by the local unity company for water. She finds the listing rate explanations below. She expects that her family may use up to 1000 cubic feet of water each month.

-$12.70 monthly service fee
-First 300 cubic feet of water used: $3.90 per 100 cubic feet, or fraction thereof
-After the first 300 cubic feet: $5.20 per 100 cubic feet, or fraction thereof

a.) Sketch a graph of the cot of Jamilla's possible water usage in one month. Consider what the cost would be for partial units as 220 or 675 cubic ft of water

Question

Jamilla is moving to a new city. She researches the rates charged by the local unity company for water. She finds the listing rate explanations below. She expects that her family may use up to 1000 cubic feet of water each month.

-$12.70 monthly service fee
-First 300 cubic feet of water used: $3.90 per 100 cubic feet, or fraction thereof
-After the first 300 cubic feet: $5.20 per 100 cubic feet, or fraction thereof

a.) Sketch a graph of the cot of Jamilla's possible water usage in one month. Consider what the cost would be for partial units as 220 or 675 cubic ft of water

mathsucks13 · Answer

b.) Is the graph for this situation a function? Why or Why not?

c.) What are the domain and range of your graph?

d.) If the monthly service fee is decreased to $10.20, how would that change the graph?