How To Draw Cars For Free

Math Question…graphing?
3) You want to rent a car for a two day road trip. The options you have found are as follows:
‘Speedy Cars’ charges $25 per day, and an additional 10 cents per kilometre driven.
‘Compact Comfort’ charges $50 per day, and they allow unlimited distance.
‘Getaway Cars’ charges only $15 per day, with the first 600km free, but then 30 cents for every
kilometre after that.
(a) What is the independent variable (define an appropriate letter)? What is the dependent
variable (define an appropriate letter)? (Remember to include the units.)
(b) Draw one line for each company on a graph to give a visual representation of this
information.
(c) What do the vertical-axis intercepts represent?
(d) For these graphs, what does slope represent? (Remember to include the units.)
(e) Where do the lines intersect, and what do these points represent?
(f) How does this information help you decide which company to use.
major editing
didnt realize its a 2-day road trip.
q1
paying y dollars for x km, per 2 days
independent variable=x (km)
dependent variable=y (dollar)
speedy cars
y=50+0.1x
compact comfort
y=100
getaway cars
y=30+0.3(x-600)
q2-unanswerable here
q3
the initial charges for 2 days; the charges to rent a car no matter the distance travelled.
q4
rates for distance travelled
slope unit=(dollar/km)
q5
SC intersect CC at (500, 100)
100=50+0.1x
x=500
y=100
CC intersect GC at (833.33, 100)
100=30+0.3(x-600)
x=600+(100-30)/0.3
=833 1/3
y=100
GC intersect SC at (1000, 150)
50+0.1x=30+0.3(x-600)
0.2x=50-30+180=200
x=1000
y=150
these points represent the distance travels that will give equal price between 2 car companies.
q6
well, if you want to travel short distance, that is under 833 1/3 km (for return trip), it’s better to take up GC on their offer. but for a distance further than that, CC is always the best rent.
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