Please help me! Diego charges $60 for the first hour of consulting and $30 for each additional hour or fraction of an hour.
The rates that Kathryn charges for x hours of consulting are modeled with the function shown
.
f(x)= 50x,0≤x≤4
40x,4 8
Complete to make a true sentence.

Choose... Diego or Kathryn
will charge $
Choose... 30,20,10,25
more for 6.5 hours of consulting.