SampleFinalSol

SampleFinalSol - NAME Math 1 21Final Exam Sample Spring...

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(. NAME: Math 121 Final Exam Sample Spring 2010 Instructions: Answer the multiple choice questions by circling the answers. the free response in the space provided. TRUE OR FATSE: ( 3 pts each) Mark the following statements with "True" or "False" @ @ @ @ - five< lralr,"t + (t)e)+ t( z) r t(o(z) - it,>(z) =3 (b)Thegraph of f(x)=x2 +x and [email protected])=x+l isshownbelow. Setupthedefiniteintegraltofindthearea Xt+} = xrI X'=1 aX='l' I ll foul)-(x'+ i dx (r J-', l -x'ol"x 2. (6 pts) Suppose a population at time r is given by P(t) Po€b. In the first 5 years the population grew from 20 million to 80 million. Find after 8 years. Pb>=zo ? P, Z0 p(il go 'Prd=?,eo!?, Z; t* ._- to erK=+ YK 1"4 ,, ! t t",1 pf S)= dt"t k) x- Jg 3 .g rntilr;on 2x3 +5 I L llln_________:_ = _ "-* 4x" +I 2 2. Suppose f(2) =t and ['f'(x)dx =5, then f(0) = -4. 3.lf f '(a):0 and/"(a)>0 then /(x) has a local minimum at x: a. 4. Given lnf (x)= I, the percentage rate of change at x =l is 25Vo 4 1 - d(lnx\ ; I ). _l ______:_ | = __:!_ = _ -' dx\ *' ) 2x 2x2' FREE RESPONSE:
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SampleFinalSol - NAME Math 1 21Final Exam Sample Spring...

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