fall07 solutions

fall07 solutions - \ cfw_rH 1 40estr - S O (t . hOt n r q...

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\{rH 140 rest r - S O(t .hOt n 1. (2 pts.) (nrultiple-choice question) Find the exact value of the expression ,n,' (rin '(;)) Select the correct answer. A) rl2 B) rl'/3 C) vtrl2 D) o E) undefined Write the letter(capital) of the answer iu this box NW e = m"-1 (!) =) e=Vb twt4/6= #o=h /ltn g = L/z .tnor 0 = 7 A' tu'lr=r {F, {3 _{i '[l 2. (3 pts.) Express the following as a single logarithm: lrr(rr 1) + In(:r + 1) 2ln r 1n (r3-r) -a4x.) ,1A4 ( x"-t\ \Fl 3. (4 pts.) Find a fornrula for the inverse function,f-t of f (:r): L4 = XtL v - Lx+ L 2X{ #/ =*+ 4. l= LA 2y-t :) 2r7 -x =.{ -fl r-L1 ,., -L 1 ,n4 ry) ?:L 1.-* r(71 6t ry 44 -7 (x) = =)f
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N{TH 140 Test I . (2 pts.) (multiple-choice question) Find the domain of the function f ("): {i - !T- Select the correct answer. A) re [0,oo) B) re (-oo,0] C) r e (0,9) D) a; e [0,9] E) r: € (-oo,9l Write the letter(capital) of the answer in this box fR K€ fo:*> 6, -t x€ G@)\ Dawra*n : . +- 1 Xe lorgl o q ,[l 72rc % c'tlehod l- (4 pts.) Find the following limit. ,. '"-4 Ilfl- r-2 l.r' 2rl If the limit does not exist. explain whv. (x- z) k+z) -4't.u 2(+ z' l?Ll lx -zl 4'u-- x+z- (x-z) (x+z) x Cf*-"1) .= 4u"- K: z- Mefttd.z \ Zr' 4*? K+z' ul=x -2)( I ry -7 eU- -z @ ^O (?c-- 2x) =. 4'r*- x)z- =) xL-ax 1 o A.> q.+ &- 4 -x Xr r'- = -{. -K^-,
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This note was uploaded on 09/24/2011 for the course MTH 140 taught by Professor Poliakov during the Fall '10 term at Ryerson.

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fall07 solutions - \ cfw_rH 1 40estr - S O (t . hOt n r q...

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