subject
Mathematics, 29.07.2020 17:01 MeTooFoodYum

The cost, cx), in dollars per hour of running a trolley at an amusement park ismodelled by the function c(x) = 2.1x2 - 12.7x + 167.4, where x is the speed in kilometres per hour. At what approximate speed should the trolley travel to achieve minimum cost?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related
Answers: 1
question
Mathematics, 21.06.2019 18:30
Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)
Answers: 1
question
Mathematics, 21.06.2019 20:30
Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.
Answers: 1
question
Mathematics, 21.06.2019 22:20
Which is the focus of a parabola with equation y2=4x
Answers: 1
You know the right answer?
The cost, cx), in dollars per hour of running a trolley at an amusement park ismodelled by the funct...
Questions
question
English, 14.12.2020 01:00
question
Mathematics, 14.12.2020 01:00
question
English, 14.12.2020 01:00
question
Spanish, 14.12.2020 01:00
question
Mathematics, 14.12.2020 01:00
Questions on the website: 13722367