fall08 solutions

fall08 solutions - MTH 140Testt 7a-(? 4 g o q uestion) S...

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MTH 140 Test t 7a-(? 4 g 1. (2 pts.) (multiple-choice question) Suppose / is continuous on [0,1] and /(0) : 1 and f (I):4' What can be said about the equation /(r) :2 for r in the interval (0' 1)? fco><2<fCO Select the correct answer. \ NT + C"t I C c (ott) A) hheequation.{(r):?hasasolYtionintt-reintelva$,1)') r,^i\ C rfi(h loffxl-Z B) @doer "ot have a solution in the interval (0,1). Ci The given information is insufficient for determining whether the equation 2 has a solution in the interval Write the letter(capital) of the answer in this box 'Fl 2. (a pts.) Let ,,,, { ,,7 .tt- + D r -L) 1 2 - rlnr if r<1 if tr:7 if r>l ls continuous at 1? Justify your answer. lrw frr)= &'rn U tr.) 4- xt L' x+2 ftu)= -&'u* /+t+ =/ * fcn: ! + f^ atL (Z-XA-x) = 2 + ffo).+ -.taahe atl a 3 0n, -h.ruu_ fxl = / 1C+4' A+c* ('tl ='t 4ir-*',- ftfl =Z > X+ l+ fl'u-,* {/n ^ 7+ 4. -) a drAe. a,f 4 Answer: Option 1: Option 2: is continuous at 1. Check thi's borT has a discontinuity at l. Check thi's borC
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MTH 140 Test I 3. (2 pts.) (multiple-choice question) Find the domain of the function Inr E) Select the correct arrswer. A) ze (0,3) B) re [0,3) C) re (0,1) u(1,3) D) r€[0,2) u(2,3] re(0,2) U(2,3] lim 4ur - x7e 6x
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fall08 solutions - MTH 140Testt 7a-(? 4 g o q uestion) S...

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