Belinda uses the function f(x)=80x+50 to determine the charge to her customers, where x represents the number of hours of labor.
The table shows what Sam charges a customer for x hours of labor.
x(hours) 0 1 2 3 4
cost($) 80 130 180 230 280
Which plumber charges less for an initial fee for a service call?
Drag a value or name to the boxes to correctly complete the statements.
Belinda charges____for an initial fee, and Sam charges____ for an initial fee._____
charges less for an initial fee.
Options for the blank spaces: $0, $50, $80, Belinda, Sam