Pre-Calculus

Have pre-calculus questions? Ask a pre-calculus tutor

Related Pre-Calculus Questions
The revenue R (in dollars) from the sale of an item is given
The revenue R (in dollars) from the sale of an item is given in terms of the price p of the item (in dollars) by the formula R (p)=5000p-25p^2. Find the revenue and the rate of the change of the reven… read more
Expert
Mathematics Teacher
Master of Education - Differentiated Instruction
7,424 satisfied customers
A market analysis suggests the Revenue in dollars gained by
A market analysis suggests the Revenue in dollars gained by selling x items of a certain product is given by the revenue function r(x)=.6x^2-96x+8000. a)How many items should be sold to maximize the r… read more
R.R. Jha
Bachelor's Degree
6,909 satisfied customers
A market analysis suggest the revenue in dollars gained by
A market analysis suggest the revenue in dollars gained by selling x items of a certain product given by the revenue function r(x)=0.6x^2-96x+8000. a) How many items should be sold to maximize the rev… read more
Kofi
PhD in Statistics
Ph.D.
888 satisfied customers
can you help me with this? If you think the statement is
can you help me with this? If you think the statement is true, then prove it. On the other hand, if you think the statement is false, then give an example that disproves the statement. For example, th… read more
Dr. Arthur Rubin
Doctoral Degree
Doctoral Degree
12 satisfied customers
1. One estimate for the ideal body weight is shown below. Use
1. One estimate for the ideal body weight is shown below. Use this information to answer (a). 47 kg + 1.2 kg for each inch over 5 feet (a) Find a linear model for an estimate of the idea weight of a w… read more
Chirag
Master's Degree
Master's Degree
12,192 satisfied customers
A student club is planning a fundraising car wash. Last year
A student club is planning a fundraising car wash. Last year they charged \$10 per vehicle and washed 120 vehicles. They would like to earn more money this year. For every \$1 increase in price, they kn… read more
akch2002
Master's Degree
3,202 satisfied customers
Your company would like to know how sales levels affect profits.
Your company would like to know how sales levels affect profits. If too few items are sold, then there is a loss. Even if too many items are sold, however, the company can lose money (likely because o… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
"For Marty" My assignment for for this week are as follows:
"For Marty" My assignment for for this week are as follows: 2 part assignment details. Part I : Primary Task Response: Within the Discussion Board area, write up to 3 paragraphs that respond to the fo… read more
Chirag
Master's Degree
Master's Degree
12,192 satisfied customers
Background: Your boss has asked you to come up with a price
Background: Your boss has asked you to come up with a price model for one of the cell phone models that your company produces. In the model, costs and length of service are directly related. You are a… read more
Martin
Master's Degree
538 satisfied customers
this is written polynomial lesson..your company has asked ) of producing a certain number of smartphones can be given by the following polynomial. expenses = x2+800 where x = the number of smartphone … read more
Sandhya_sharma
Master's Degree
Master's Degree
1,250 satisfied customers
A compnay is planning to manufacture chairs. The fixed cost
A compnay is planning to manufacture chairs. The fixed cost is \$20,000 and the cost per chair is \$40. Each chair will be sold for \$80. a. Write the cost function, C(x), of producing x chairs b. Write … read more
RavinDe
Bachelor's Degree
1,111 satisfied customers
A magazine company had a profit of \$98,000 per year when it
A magazine company had a profit of \$98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of \$125,500. Assume that the profit P is a linear function of t… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
An air freight company has determined that the cost, in dollars,
An air freight company has determined that the cost, in dollars, of delivering x parcels per flight is C(x) = 3600 + 4x. The price per parcel, in dollars, the company charges to send x parcels is p(x)… read more
akch2002
Master's Degree
3,202 satisfied customers
A manufacturer produces a product at a cost of \$29.80 per unit.
A manufacturer produces a product at a cost of \$29.80 per unit. The manufacturer has a fixed cost of \$300.00 per day. Each unit retails for \$39.00. Let x represent the number of units produced in a 5-… read more
Chirag
Master's Degree
Master's Degree
12,192 satisfied customers
A magazine company had a profit of \$98,000 per year when it
A magazine company had a profit of \$98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of \$125,500. Assume that the profit P is a linear function of t… read more
Chirag
Master's Degree
Master's Degree
12,192 satisfied customers
two problems A carpenter is building a rectangular room
two problems A carpenter is building a rectangular room with a fixed perimeter of 324 ft. What dimensions would yield the maximum area? What is the maximum area? Ben's Bicycle Designs has determined t… read more
Chirag
Master's Degree
Master's Degree
12,192 satisfied customers
A freight company charges \$22 plus \$3.50 per pound to ship
A freight company charges \$22 plus \$3.50 per pound to ship an iteam that weighs n pounds. The total shipping charges are given by the equation C=3.5n+22. Identify the slop and y-intercept, and use the… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Associate Level Material Appendix C Polynomials Retail
Associate Level Material Appendix C Polynomials Retail companies must keep close track of their operations to maintain profitability. Often, the sales data of each individual product is analyzed separ… read more
ck_mba
Computer Engineer
Master's Degree
1,397 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

## What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

## Meet the Experts:

rajeevanpillai

Master's Degree

490 satisfied customers

B.Sc in Mathematics and M.Sc, M Phil in Statistics

Mr. Gregory White

Master's Degree

167 satisfied customers

M.A., M.S. Education / Educational Administration

mhasan420

Master's Degree

37 satisfied customers

BA Maths, Oxford

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

Dr. Arthur Rubin

Doctoral Degree

12 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

Sandhya_sharma

Master's Degree

1,250 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

Kofi

PhD in Statistics

888 satisfied customers

Masters in Mathematics and Statistics

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less