Question: Can you explain how to solve this step-by-step? Thank you. 3. The fuel used by a car is defined by f(x)=3x2/80-6x+245, where x is the

Can you explain how to solve this step-by-step? Thank you.

3. The fuel used by a car is defined by f(x)=3x2/80-6x+245, where x is the travelling speed in km/h. What is the most economical speed of the car? In other words, determine the speed of the car which uses the least amount of fuel

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Asbury Coffee Enterprises (ACE) manufactures two models of coffee grinders: Personal and Commercial. The Personal grinders have a smaller capacity and are less durable than the Commercial grinders....

seventh pages Chapter 3 Curve Sketching How much metal would be required to make a 400-mL soup can? What is the least amount of cardboard needed to build a box that holds 3000 cm3 of cereal? The...

Can you also explain how to solve this in detail? 3. The fuel used by a car is defined by f(x)=3x2/80-6x+245, where x is the travelling speed in km/h. What is the most economical speed of the car? In...

1. A missile fired ground level rises x 4. The sum of two positive numbers is 30. meters vertically upwards in t seconds One of the numbers is multiplied by the and x = 501 - 6.2512. Find square of...

MATH6100 - CALCULUS 1 COURSE PROJECT Directions: Answer the following questions and show your complete and organized solutions 4. The sum of two positive numbers is 30. 1. A missile fired ground...

Physics I need help with these questions make sure they are right and explain further thank you! Part 1 Question 1 (1 point) Saved Which of the following is a scalar quantity? 248 mL 500 m, up 45 km,...

1 Exercise 3: Lift and Airfoils The first part of this week's assignment is to choose and research a reciprocating engine powered (i.e. propeller type) aircraft. You will further use your selected...

9.1 Questions 1. Describe how waves combine. k/u (a) What happens when waves that are in phase combine? (b) What happens when waves that are out of phase combine? 2. Use the principle of...

Help me please, Kindly answer this with complete solution and clear explanation. Thank you. . Motion can be described as a change in position. However, to say that there is a change in posrtlon we...

In this question you will be asked to reflect on a project you have been involved in or observed, in which a design evolved, or could have evolved, through applying a theory of user behaviour. You...

Consider the trigonometric series a0 2 + X r=1 (ar cos rx + br sin rx) where a0, a1, a2, . . . and b1, b2, . . . are constants and suppose that f(x) is a periodic function of x with period 2. (a)...

Convert 836 Torr to atmospheres. 836 Torr=atm Convert 24.5 atm to torr.24.5 atm Torr Convert 836 mmHg to atmospheres. 836 mmHg=atm Convert 760 Torr to millimeters of mercury. 760 Torr= B) C D) An...

1. You are willing to charge a lower rate for ongoing support services because you designed the system. You want New Century to use a specific procedure for requesting assistance and changes,...

Scott Frost has been coming to Aldwin's Diner for five years but often eats at other places and might not come to Aldwin's for months. However, he typically buys the most expensive item on the menu....

How do plants control the size of their shoot apical meristem? Describe the genes involved, using the phenotype of their knock-out mutants to explain the role of each gene.

Starting from time 0, buses arrive at a specic stop according to a Poisson process with rate lambda. Passengers arrive at the stop according to an independent Poisson Process of rate u. When a bus...

Let Y (t) be the total number of phone calls arriving to a call center by time following a Poisson Process with rate lambda . Compute the following: (a) P{Y (20) = 10|Y (12) = 6; Y (4) = 3} (b) P{Y...

Identify and explain the foundation principles of economics?

Describe transposable elements (TEs), including how they localise in the genome and how they can be regulated by epigenetic mechanisms. Include in your answer: - What are TEs and how were TEs...

pters 1-3 Practice Problems Sort Help Save & Ex Submit Check my work 7 The local driver's license center processes applications for driver's license renewals through the following three steps. First,...

12. Think of a situation where you felt particularly powerless. It must be a real event that you remember relatively well. Try to think back. What was it you imagined just before you felt powerless...

13. Try to imagine how you would feel if you had tackled the problem, the con-flict, the challenge, etc., that made you powerless in task 12, for example upstairs, confident, confident, calm,...

15. Ask yourself the following questions: What do you want to remember from your everyday experiences? These are the experiences that fill most of your life. They may take 9099% of your time. What do...