7 For the demand function q = D(p)% 3 346-p, find the following.a) The elasticityb) The elasticity at p= 119, stating whether the demand is elastic, inelastic or has unit elasticityc) The value(s) of p for which total revenue is a maximum (assume that p is in dollars)a) Find the equation for elasticity.E(p) =

Answered: For the demand function q= D(p)= 346-p,…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter10: Radical Functions And Equations

Section: Chapter Questions

Problem 15CT

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When a certain drug is taken orally, the concentration of the drug in the patient's bloodstream After t minutes is given by C(t)=0.06t0.0002t2 where 0t240 and concentration is measured in mg/L .When is the maximum serum concentration reached, and what is that maximum concentration?
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) ?
Repeat the previous exercise to find the formula forthe APY of an account that compounds daily. Usethe results from this and the previous exercise todevelop a function I(n)for the APY of any accountthat compounds n times per year.
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For the following exercise, consider this scenario: In 2004, a school population was 1,700. By 2012 the population had grown to 2,500. Assume the population is changing linearly. a. How much did the population grow between the year 2004 and 2012? b. What is the average population growth per year? c. Find an equation for the population, P, of the school t years after 2004.
Use the following model for the annual revenue for Amazon: R(t) = 386.06(1.31)t t is the time in years since 2020 and R(t) is in billion dollars. a) Identify whether the function is linear or exponential. Briefly explain how you know based on the formula for R(t). b) Identify the constant percent rate. Explain in a sentence what this means about Amazon's revenue changing with respect to time. c) Calculate R(0) and explain what it means in terms of Amazon's revenue and time.
The monthly sales S (in hundreds of units) of baseball equipment for an Internet sporting goods site are approximated by S = 60.1 - 43.9 cost where t is the time (in months), with t = 1 corresponding to January. Determine the months when sales exceed 7700 units at any time during the month. August through April May through September April through August March through August March through September
I need help with this question.
the price "P (t)" of a certain model of technological equipment in dollars ($) is given by (t) = 15000 * (0.7) t, where T represents the years from the moment the equipment left the market. Market. Based on this information, analyze the following: 1. The price of a device when it goes on the market is $ 15,000 II. For the equipment to have a price lower than $ 1200, more than 8 years must elapse after leaving the market. Which statement is true? 1. both 2. none 3. just the I 4. only I| it xt étv A
The scrap value of a machine at the end of its useful life is given by S(n) = C(1-r)", where C is the original cost, n is the useful life of the machine in years, and r is the constant annual percentage of value lost. Find the scrap value of the following machine. Original cost, $49,000; life, 11 years; annual rate of value lost, 13% S=$ (Round to the nearest cent.)
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