test1_Solution

# test1_Solution - Math 122 Fall 2009 1(4 points err,ch'buld...

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(n) (c) Math 122, Fall 2009 1. (4 points err,ch) \\'buld I'ou expect the lbllowing cluautities to increase, decrease. or sta. .y ctntstaut if vou consiiler thenr as a frrnctitrn of the time'? Explain rvith at least one sentence per c:ase. (a) the a:\rerage lifetime of the populer,tion oi USI Atsun,t6 f?tkr trl/e 4iltTrt ctte tvrrTH /APpauE9 lgo?tE /,( 1xaaxt Itl6d8, fttf 90 r//s frt/E&46d LlFFTttlf, t{€K€aer5. (b) the number of extinct species ol anirnals; #f gYr fir y'un3ee oF ExfrlCr 5f€6tEj ltny fr,€ft{ tl CozsT4fi ffooetex,fu(rttt(.gtwb?rt€/{r /t utrELY ro/Efrz lrucqf,lsE hl r./d /r/,*?zaR (c) the nurrber of oflic:ial IIS holidavs; F €lf/l6r *gCtE, Ltrc.z tu &eannt co/sr///T. (c-l) ;,'oui'GPA. iloPrrr,t, / lT WuL /t{C(Eht€ fff80, 77ktil6 77ts 6z/tti. 2. (8+4+4 points) A car rental (:orrlpirny olTers cars at \$:Jg a daw and 29 cerrts a, rlile. Its cotnpetitor's c,als are offered at \$6!) a da,y- aud unlinritecl ntileage. (a) For eat lt t'onrpanv. rvt'ite a forntula giving the srst of leuting a ca,r frrr a da,1.' a-s a functiott of the djstance tlavelled (ignore the cost of gasoline); (b) Whic:h (:ornptrn\"s car rvill u.rst you less if -r'ou plan to r.lrive about 105 uriles'J (c) LIp to r.vhat clisttrnce is lenting f-ronr tlre first companv chea,per'l c, {d) = 3q + lo.s'q\,

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test1_Solution - Math 122 Fall 2009 1(4 points err,ch'buld...

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