[填空题]
The total cost of a ride, C, in British pounds (GBP), on Blac1 0vu y7(enzy(5esnd rkCamety57 koc jz+3s5n6sq x 5skgad-(+wbs can be modelledmodelled by the fun (5w5dx7sekk+ams- qon3s +5zjt6g cyction
C=1.75x+3.00,where x is the distance travelled in kilometres.
1.Calculate the total cost of an 88 kilometre ride in a BlackCab. C = GBP
2.On the grid below, sketch the graph of the function C=1.75x+3.00, for x≥0.
3.Calculate the distance travelled, x, in kilometres, when the total cost of a ride reach 45 GBP. x = km
The starting fare of MiniCabs is 2.00 GBP higher than of BlackCabs, however the ride fare is lower at 1.40 GBP per kilometre travelled.
4.Find the least number of whole kilometres required to travel for the total cost to be less on a MiniCab ride in comparison to a BlackCab ride.