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Mathematics, 24.05.2021 14:00, 20Tiglashou
The petrol consumption of a car (y miles per gallon) depends on the speed the car is travelling at (x mph), according to the formula
y= 200-1.5x - 4500/x
a.) draw the graph of this equation for 40 <= x <= 80, taking a scale of 2 cm to 5 units on each axis.
b.) what is the petrol consumption at 75 mph
c.) use your graph to estimate the most economical speed at which to drive this car. ​
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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The petrol consumption of a car (y miles per gallon) depends on the speed the car is travelling at (...
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