Sales Decay At the end of an advertising campaign,the weekly sales (in dollars) declined, with weeklysales given by the equation y = 2000(2-0.1x ),where x is the number of weeks after the end of thecampaign. In how many weeks will sales be half ofthe sales at the end of the ad campaign?

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A: Given: Jose’s batting average is 0.250 after 160 times at bat, which means he made a hit 40 of the…

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A: It is given that, the population of a town modeled by the equation P = 500t + 3000, where t is years…

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Q: A small business purchase is the laptop computer shown for $2700 it will be depreciated over a…

A: Consider a small business  purchase of the laptop computer for $2700 which showed that it…

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A: Given that a patient receives regular doses of 200 ml every 6 hours.The half life of the medication…

Q: The population of Pacifica was 1,000,000 people in 2010. The growth in population is given by the…

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Q: Sales Decay At the end of an advertising campaign,weekly sales of smartphones declined according…

A: (a) Given equation is: y=120002-0.08x At the end of the ad campaign we have x = 0. Then we get,…

Q: Food Consumption The average daily food consumption F of a herbivorous mammal with body weight x,…

A: F=0.3x34

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Q: An airplane is flying at a steady elevation of 14,500 feet.   The airplane will need to ascend to…

A: Given, An airplane is flying at a steady elevation of 14,500 feet. The airplane will need to ascend…

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Q: The revenue (R) for a company is given by the equation: R= -0.0175x^2 + 423.92x where x is the…

A: Given Revenue R= -0.0175x^2+423.92x         ........(1) This question can be solved by using…

Q: Solve the equation algebraically. Verify your results using a graphing utility. 0.9t = 1 + t

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Q: a waterfall has a height of 1400 feet. a pebble is thrown upward from the top of the falls with an…

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Q: Real Estate Inflation During a 5-year period ofconstant inflation, the value of a $100,000…

A: Real Estate Inflation During a 5-year period of constant inflation, the value of a $100,000 property…

Q: Jennifer went to a nail salon and she was charged fifty-five dollars for four hours in the salon.…

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Q: Kara's Custom Tees experienced fixed costs of $300 and variable costs of $5 a shirt. Write an…

A: Fixed cost is, Cf = $300 Variable cost is Cv = $5 To evaluate: The equation that determine the total…

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Q: Advertising Costs A retail sporting goods store estimates that weekly sales S and weekly advertising…

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Q: demand for an electric fan is related to its selling price P (in dollars) by the equation…

A: To Find :   selling price that will maximize the revenue.

Q: The personnel costs in the city of Greenberg were $9,500,000 in 2009. In the recent past the…

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Q: After a baby was born, he began to gain weight at a rate of 1.5 pounds per month. The weight of the…

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Q: the percent of students who graduate from a colleges nursing program was 72% in 2005. since that…

A: Given data is : Student graduated in 2005 is 72% Decrease in value of graduate by 2.1% per year. To…

Q: The population of a town has been growing, following the equation P = 800t + 6000, where t is years…

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Q: A company's revenue from selling å units of an item is given as R. = 1500x – x². If sales are…

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Q: Investment The simple interest earned in 9 yearsis directly proportional to the interest rate r. If…

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Q: minute ad during a campaign in 1973 cost $200,000. The price tag for a 30-second ad slot during a…

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Q: An object is launched on the moon at 32 feet per second (f/s) from a 384-foot tall tower. The…

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Q: find the x- and y-intercepts of the graph of the equation. f(x) = 2x-10(                    )…

A: Given information- We have given a function- f(x) = 2x - 10 We can write it as- y = 2x - 10 We have…

Q: Sammy bought a new car. The depreciation equation is given by f(x) = 30,000(.85)*, where x…

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Q: f(x)=2-e^(-x/2) What are the steps to graph the equation?

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Q: Let y be the number of cakes that a baker has at 6 AM. By 5 PM the baker has sold 37 cakes, she then…

A: It is given that c cakes are distributed among 4 persons equally. So total number of cakes…

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Q: Sodium-24 is a radioactive isotope of sodium that is used to study circulatory dysfunction. Assuming…

A: Given , A = 6e-0.046t (a) graph this equation

Q: Solve the equation algebraically. Verify your results using a graphing utility. 0.9t = 0.4 + 0.1t

A: Given equation 0.9t=0.4+0.1t

Q: A vehicle purchased for $20700 depreciates at a constant rate of 12% each year. Its value after t…

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Q: The equation for the height of a baseball being thrown directly up in the air at any time x is y =…

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Q: A patient receives regular doses of 400 ml every 9 hours. The half-life of the medication is 9…

A: a = inital dosage (in ml)p = percentage remains or the fraction of the 'a' remains after 9 hoursL =…

Q: tank full of water is leaking at a constant rate for 30 minutes. The equation y=9x+500 gives the…

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Q: Snow is falling steadily in Syracuse, New York. After 2 hours, 4 inches of snow has fallen.Write an…

A: Given: Snow is falling steadily n Syracuse, New York. After 2 hours, 4 inches of snow has fallen.…

Q: In 2013 the median monthly rent for a one-bedroom apartment in San Francisco was $2,750. The…

A: Here we find difference between median cost.

Q: y = x? + C1e2x + C2e3x; based on the given, eliminated the arbitrary constant present in the…

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Q: A snowplow has maximum speed of 35 miles per hour on a dry highway. Its maximum speed decreases by…

A: Given, a snowplow has maximum speed of 35 miles per hour on a dry highway. Its maximum speed…

Q: A company's revenue from selling x units of an item is given as R = 1800x – 2x². If sales are…

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Q: A company's revenue from selling x units of an item is given as R = 1200x x². If sales are…

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Q: The national catch of Atlantic Cod has been declining in the past few decades. We can model this…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.