Marshall is comparing different companies that rent sound systems The total cost, y , for each company includes a used rental fee plus an additional fee based on the number of hours, x , the sound system is rented. Which company had the lowest additional fee per hour for renting a sound system?

Company B

Step-by-step explanation:

Given

See attachment for graph

Required

Company with the least additional fee

This means the y-intercept and it represents the flat fee

To get the y-intercept, we simply write out the point where

From the graph of A, we have:

Additional Charges = 70

From the table of B, we have:

Additional Charges = 50

From the equation of C, we have:

Additional Charges = 90

By comparison. company B has the least additional fee because:

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation: