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- The cost in dollars of making x items is given by the function Cx)=10x+500. a. The fixed cost is determined when zero items are produced. Find the fixed cost for this item. b.What is the cost of making 25 items? c.Suppose the maximum cost allowed is SI500. What are the domain and range of the cost function, C(x) ?The demand function for the Viking Boat’s 34-ft Sundancer yacht isp = 200 − 0.01x ln x,where x denotes the number of yachts and p is the price per yacht in hundreds of dollars.(a) Find the revenue function and the marginal revenue function for this model of yacht.(b) Use the result of part (a) to estimate the revenue realized from the sale of the 500-th34-ft Sundance yacht. (Note: This is an estimate, so be careful to use the correct functionfrom part (a) and to evaluate it at the correct value of x.)(c) Now compute the exact revenue realized from the sale of the 500-th 34-ft Sundance yacht. (d) Comment on the approximation provided in part (b).The variable cost for the production of a calculator is $14.65 and the initial investment is $110,000. (a)Find the total cost C as a function of x, the number of units produced. (b)Use differentials to approximate the change in the cost for a one-unit increase in production when x = 50,000. (Round your answer to two decimal places.)
- The relation between the magnitude of a sensation y and the magnitude of the stimulus x is given by y = k(x − x0)n where k is a constant, x0 is the threshold of effective stimulus, and n depends on the type of stimulus. Find the rate of change of sensation with respect to the amount of stimulus given. For electrical stimulation y = k(x − x0)7/2 y' =Temperature between fluids in a heat exchanger used to heat a medium Based on the difference (X) (X> 2) the annual fuel cost (Y1) and the annual investment cost (Y2) are given as. Determine the temperature difference that will minimize the annual total cost (Y) Y1 = 6X2 - 10X + 5000 Y2 = 25000 - X2 - 140XA paint store sells 270 pails of paint per month at a price of $32 each. A customer surveyindicates that for each $1.20 decrease in price, sales will increase by 6 pails of paint.a) Determine the demand, or price, function.b) Determine the revenue function.c) Determine the marginal revenue function
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- the amount of photosynthesis that takes place in a plant depend on the intensity of light x according to the equation: f(x)=145x2-30x3 i) find the rate of change of photosynthesis with respect to intensity ii)what is the rate of change when x=1 and when x=3? iii)how fast is the rate found in part (a) changing when x=1 when x=3?The company is conducting set of experiments to maximize the time needed to discharge the battery. It was found that the time (t) is proportional to different powers of acceleration (a) , mass (m), and energy (E) of the battery. Use dimensional homogeneity to find the formula of the time and the value of overall dimensionless proportional constant using t=24 hours, the voltage is 338 V, the Energy is 71 kWh, velocity is= 1D km/hr, and the mass is 14D-pound.The cost (in dollar ) of producing x units of a certain commodity is given below . C(x) =9000+11x +01x^2 A) Find the average value of the rate change of c with respect to x and when the production is changed from x =100 to the given value . I) x= 102 $___ per unit ii) x= 101 $ ____ per unit B) find the instantaneous rate of change to c with respect to when x = 100 . ( this is called marginal cost ) $____ per unit