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If the cost in millions of dollars, to remove x% of pollution in a lake modeled by C=6000/200-2x, how would I figure the cost to remove 75% of the pollution?
Find the break even point: the number of units (to the nearest whole number) which need to be produced for the revenue=cost. Use algebra.
Explain the difference between independent samples and dependent samples. Classify the following as independent or dependent samples.
Develop a question for a high-school level class that requires the collection of data. What type of graph would you use to represent the data and why?
On June 25th, the call premium on a Dec 25 PHLX contract is 6.65 cents per pound at a strike price of $1.81.
How do you find a quadratic equation if you are only give the solution? Is it possible to have different quadratic equations with the same solution?
Evette has 41 1/2ft. of string. She wants to cut it into pieces 3 3/4ft. long. How many pieces of string will she have? How much string remains, if any?
What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Why?
Factor completely: 16x4 - 40x2 + 9 [2x2 - x - 3] / [3x2 - 7x + 4] divided by [2x2 + x - 6] / [3x2 + 2x - 8].
Please explain, If they are different graphs, does that mean that they are really two different equations?
The standard quadratic equation is given as: ax^2 + bx + c = 0 , where a, b, and c are real numbers and a > 0.
Define exponential function. Give an example of such function and graph it. Discuss what are common characteristics of all exponential functions.
Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function and graph the function: f(x)=x2-2X-1
Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots.
Which of the ordered pairs (3, 1), (0, -4), (-4, 0), (-3, -7) are solutions for the equation x - y = 4?
Which point on the graph makes this relation not a function?
What is the maximum area that the farmer can enclose with 100ft of fence. What should the dimensions of the garden be to give this area?
What do the solutions represent? Is there a solution that does not make sense? If so, in what ways does the solution not make sense?
Find the variation constant and an equation of variation where y varies directly as x and y=35 when x=5.
The approximate distance in feet that a baseball will travel when hit at an angle of 45 degrees is given by the expression v2 /32.
Then need to find the vertex of parabola as the graph of f, finding the y and x intercepts.
Find the vertex and intercepts for the Quadratic function, and sketch its GRAPH in WORD. Show all steps to solving the problem.
If the sides of a square are lengthened bt 5cm, the area becomes 169cm2. Find the length of a side of the original square.
How do find the equation of a line? How do find the equation of a line?
A physician orders Demerol 25 mgm IM. On hand is an ampule of Demerol 75 mgm in 2 ml. how many ml are drawn into the syringe?