Tuesday

September 23, 2014

September 23, 2014

Posted by **Jake** on Sunday, March 4, 2012 at 3:19pm.

a) Determine the legal speed speed that will maximize the fuel efficiency if the speed limit is 50 km/h.

The answer is 50 km/h but my teacher said it can't be that. Any explain please.

------------------------------------

b) Determine the speed intervals, within the legal speed limit of 0 km/h to 100 km/h, in which the fuel efficiency is increasing.

**Answer this Question**

**Related Questions**

Calculus - The fuel efficiency, E, in litres per 100 km, for a car driven at ...

Calculus - The fuel efficiency, E, in litres per 100 km, for a car driven at ...

math - a car travels at a constants speed and uses G(x) litres of gas per ...

Math - Advanced Functions - the function f(x)=-0.005x^2+0.8x+12 models the ...

Math grade 12 - the function f(x)= -o.005t^2+0.8t+12 models the relationship ...

Math - A small truck is to be driven 300 miles on a freeway at a constant speed ...

math - Your Porsche's gas mileage (in miles per gallon) is given as a function M...

Trigonometry - A race car is driven around a circular track at a constant speed...

Trigonometry - A race car is driven around a circular track at a constant speed ...

Calculus - A truck gets 377/x mpg when driven at a constant speed of x mph (...