Tutors Answer Your Questions about Functions (FREE)
Question 127417: suppose 2.4 million lbs of almonds are sold when the price is $5.50 per pound and 4.8 million lbs of almonds are sold at $4.50 per pound. find a linear function, A(p), that expresses the amount of almonds sold as a function of the price per pound.
Click here to see answer by stanbon(75887)  |
Question 127375: I am having a hard time understanding what this question is asking for and what I am suppose to do. Any help is greatly appreciated.
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Determine the algebraic rule for the line that:
satisfies g(2)=3 and is parallel to y=4/3x+10
Click here to see answer by scott8148(6628)  |
Question 127638: A hot-air balloon is released at 1:00 P.M. and rises vertically at a rate of 4 meters/sec . An observation point is situated at 125 meters from a point on the ground directly below the balloon (see the figure). If t denotes the time (in seconds) after 1:00 P.M., express the distance d between the balloon and the observation point as a function of t.
Please use the notation "sqr(a)" which equals PLEASE PLEASE, HELP
Click here to see answer by josmiceli(19441)  |
Question 128722: The gravitational forc between two objects varies inversely as the square of the distance between the objects. If a force of 25 pounds results from two objects that are 6 miles apart, ow much force results from the two objects that are 15 miles apart?
my answer is 30 pounds of force
Click here to see answer by Earlsdon(6294) |
Question 128747: This is one that I was not to sure about
7. The future population of a town t years after January 1, 1995 is described in thousands by function
P(t) = 120 + 4t + 0.05t^2. Caluculate the value of P(5) and explain what it means.
P(5) = 120(5) + 4(5) + 0.05(5)^2
P(5) = 600 + 20 + .25^2
P(5) = 620,062.5 is the future population of a town
Click here to see answer by jim_thompson5910(35256) |
Question 128704: Just wanted to see if I had this one right
10. The population of Windham is growing at an annual rate of 0.5%. If the current population 12,520, one function that can be used to predict the future population of Windham is P(t) = 12,520(1.005)t where t represents time in years. Use this function to predict the population of Windham in 10 years.
My answer is
P(t) = 12,520(1.005)T
P (10 * 0.5%) = 12,520(1.005)t
P(5) = 12,582.6(5)
P(5) = 62,913
Click here to see answer by checkley71(8403) |
Question 128700: I need help with this problem
The future population of a town (t) years after January 1, 1995 is described in thousands by function
P(t) = 120 + 4t + 0.05t^2. Calculate the value of P(5) and explain what it means. ok here is my answer
P(t) = 120 + 4t + 0.05t^2
P(5) = 120(5) + 4(5)+ 0.05(5)^2
P(5) = 600 + 20 + .25^2
P(5) = 600 + 20 + .5
P(5) = 620.5
I know I messed up somewhere but I don't know where
Click here to see answer by checkley71(8403) |
Question 128892: I have a questions dealing with Logarithmic functions. The question I am dealing with is:
We have all heard of carbon dating. Materials are tested for c14 to determine how long ago they lived. Here is how it works. Cosmic ray bombardment of the atmosphere produces neutrons, which in turn react with nitrogen to produce radioactive carbon-14. Radioactive C-14 enters all living tissues through carbon dioxide, which is first absorbed by plants. As long as a plant or animal is alive, C-14 is maintained in the living organism at a constant level. Once the organism dies, C-14 decays according to the equation A=A0e^-0.000124t where A is the amount present after t years and A0 is the amount present at the time of death. If 500 milligrams of C-14 (that is A0=500) are present in a sample from a skull at the time of death, how many milligrams will be present in the sample in 15,000 45000.00 60000 years. From your results, what can you conclude about using C-14 dating on bones from animals believed to exist 200,000,000 years ago? To be honest I am not even sure how to approach this question. Any help will be greatly appreciated. Thanks everyone.
Click here to see answer by stanbon(75887) |
Question 128933: I am studying for a college algebra test and have hit a wall with this question:
Let f(x)= x^3-8x^2+17x-9. Use the factor theorem to find other solutions to
f(x)-f(1)=0, besides x=1.
Can you please explain how to solve this question, I am going to college via online and have to teach myself from the book and I have been doing well thus far, but am struggling to understand some questions in the Polynomial and rational function section. Thank you so much for your time and help. It is very much appreciated!
Click here to see answer by oscargut(2103)  |
Question 129106: 1. A company that produces cells for solar collectors finds through experience that on the average it can sell x cells per day at a selling price (in dollars) of p(x) = 100 – 0.05x (p is called the demand function). The cost function C(x) for producing x cells per day is C(x)= 4000 + 60x – 0.01x^2
A. Write the revenue function R(x).
B. Write the profit function P(x).
C. Find the value of x that maximizes profit, and find the maximum profit.
Click here to see answer by jim_thompson5910(35256) |
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