Question

Onpoints emApCac 23053 It has been estimated that the number of people who will see a newpaper advertisement that has run fon consecutive days is of the form Nx)T- for x 1, where T is the total readership of the newspaper. If a newspaper has a circulation of 500,00e, an ad that nuns for x days will be seen by N)500.000-250,000 people. Find how fast this number of potential customers is growing when this ad has run for 2 days customers per day Need Help? Read Telk to Tuter Submit Answer Save Progress Practice Another Version O-1 points BemApCalc723063 2005-2006 , 2010-2011 Nettix 2019 Summer ACCT 222 A20 x Cengage https//www.webassign.net/web/Student/Assignment-Responses/last?dep 21297412#Q8 % 23 Hmwk Some Diffomtiation x0 O ponts lenApCalctir7 23.063 2 CengageNOwv21 Online teachx The following graph shows the average annual college tultion costs (tuition and fees) for a year at a private nonprofit or public four-year college. The data are given for five-yeer intervals 30,000 25,000- 20.000- private- 15,000- 10,000 5000- public 1995-1996 2000-2001 Year The tuition for a private college is approximated by the function x)-650x years in the graph are numbered x 3000x +12,000, where x is the number of five-year intervals since the academic year 1995-96 (so the O through X3) (a) Use this function to predict tuition in the academic year 2020-21. [Mint: what x-value corresponds to that year (b) Find the derivative of this function for the x-value that you used in part (a). Interpret it as a rate of change in the proper units In 2020-2021, private college tuition will be-Select-by $ every 5 years (c) From your answer to part (b), estimate how rapidly tuition will be increasing per year in 2020-21 4:12 Netfe O 2019 Summer ACCT 222 A20 x Cengage % 23 HmwkSome Diffentiation x CengageNOwv21Onine teach x https./www.webassign.net/web/Student/Assignment-Responses/lasthdep-21297412#08 Need Help? Head Telk to Tater O points BemApCakr 23065 My Notes O Ask Tearhe Explain, in two different ways, without using the rules of differentiation, why the derivatve of the constant function constant function, and also of the instantaneous rate of change of a function that stays constant. )-2 must be fTx)0. [Hint: Think of the slope of the greph of a This arswer has not been graded yet Need Help? Read I Talk to a Tuter Submit Assignment Save Assignment Progress Home My Assignments Extension Reques 4:12

Answer 1

Z 500, 000- 250,O00 t qwn N Customexs) Au): (Potsntial Rate Tx) ,N = 4fMOx N' A = Soo.00 6)- 250, 000. d dr - 250, 000 2 2 50,00O O- 2 250,000 250i000 22 Cusanmesfda 6250o Ans 2S/000 Privaie O0aD LS, ooD torco Public coo COY esponds tn Yeax inkrva] Since. 1995-19961. acade mic 5 AO

as +12,00 O + 3000 5 لعه 65ox s2 t 3600 X 5 +12, 000 650x25 + 15,006 + 12, 000 43,250 Aps. 16R50 T 27,600 3000 )d (12,000). 6 50 .:.d 2) + B000 : d (a + da 6soxo a + Bo00 ا os , 1300x5 + B000 =65 o0 + 3000 9500 Ans f'ls)z 9500 ange - ees is then. poaitiuc is. and i Amaunt heo AL Insseas io As 9600 ncsease io 1 TuHDn Ans 1a00

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