IB MAI HL Functions Topic 2.2 Applications of Functions (id: dcd6b4f7c)

本题目来源于试卷: IB MAI HL Functions Topic 2.2 Applications of Functions，类别为 IB数学

[填空题]
The total cost of a ri3 z* va59 exh c2txp(d*uzu98sstqjz) de, C, in British py ,c b n.1l lh3;e ay6qx40r4zk+wgkxjounds (GBP), on BlackCabs can be modelledmodelled by the fg6 y3xbk,e r; cl+z4alyn 1q40h w.xkjunction
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.

参考答案:
空格1: 17±2%  空格2: 24±2% 


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