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Homework #10

Homework #10 - -Thinkwell | Homework#10 Page 1 of 7...

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Unformatted text preview: /-Thinkwell | Homework #10 Page 1 of 7 Homework #10 Take:1 [ 0326/08 " Directions: This musl be completed by Tuesday, April 151‘ Answers will be available on April 4th for you to review your work. Be sure lo keep a copy for yourself. Hang in there! I know everyone is ready for the end of the semester, but we still have a few more weeks lo go! 1) QID: 50773 ~- - ‘ - _-2-5x v~ 5x+4 l~1nd the 1nverse. -1 olthc funcllon x — _.1f:1 f J“) 4+5x *5x-2 exists. _5_ 2X , 3; 5, , ‘l . ,1 H 5+4x v7 ta -4x-2 4' ‘ ~ ‘ ., 95:3 J a fix) does not EXISI. None of the above 1 § 1 V " 2) QID: 50922 Which ofthc following is n01 an exponential function? jg) : 23””) 11);) = 121\- ( Sis-2 f x = ( J m fir) = ﬂ“ [3 None ol'lhe above http://thinkwcl1Vcorn/IMeSt/printrandom.cﬁn?assessmentlD=l03749&takc=l&isTWExerci... 3/ 26/2008 Thinkwell \ Homework #10 Page 2 of~ 3) QID: 51425 Find the inverse of = 4 _ 3", ifit exists. —1 = ‘ « HR- 1 , 5x:4--"' \ ‘1 in V L} - a) a f Hag): 3 f ' \ V 1. f" (x) = 151 — 12 The inverse does not exist. 3/ None of the above 4)Q|D151427 \ “O k L Find if f(x) = 8". l 4 -1 4 None ofthe above 5) QIDz54440 maﬁa), mfg) =4? 1 ,' "i U k 64 l 12 ‘64 None of the above http:/fthinkwcll.com/twtcstfprintrandom.cfm‘?asscssment1D=103749&take=1&isTWExerci... 3/26/2008 .hinkwcil | Homework #10 Page 3 of? 6)Q|D154444 Findf 3 ,iff[x)=9‘ "18"» 2 ( {P 27 \' e 18‘ -27‘ None ol'the above 7) 010:20366 The inverse ofthe functi onfh) = 8x - 9 True _ rk‘x. lsf’l(x) = x;8 ‘ r H I/ju \ ‘1 :Qi " 3) 0:0: 20388 Write the e nation of the inverse ofthe _ -12x *4 , e40 , 3 . f‘<x)=—.f1c\$>=— glven fun-2t! on, then ﬁnd the 11sted value. 7 7 12X +4 ,1 o] 7 -1 7 , = x = 1 = _ 1m ,ﬁndf (3), f () mm f {3) 4O -1 7x — 4 ,1 25 x = = _ i . )fr f ( ) 127 J (3) 12 “1 7X “ 4 -1 17 n" 0 x = 3 = H I; \‘Xfﬂ 12 f() 12/ 9) QID: 20491 Every exponential function ofthc formﬂx) = ax. u > 0 passes through the point True (0‘ 1). False http://thinkwell.com/twtest/printrandom.cfm‘?assessmentlD=103749&take=1&isTWExerci... 3/26/2008 'I‘hinkwcll \ Hnmcwork #10 Page 4 0t 10) QID‘ 20495 Sketch the graph of the function without recourse to :1 Graph A graphic calculator. gfx) : 3"- Graph B {-3 Graph C “I- I Graph D r b- X http://thinkwcll.com/twtcsL/printrandomcﬁn'PassessmcntlD:103 749&take=1&isTWExerci_.. 3/26/2008 fhinkwell 1 Homework #10 Page 5 of7 11) QID: 23717 Ifg-1( -3) =8 andg has an inverse, __ then g(8) = 3 None of the above http:/fthinkwell.com/twtesl/printrandom.cfm?assessmentlD=|03749&take=1&isTWExerci... 3/26/2008 Thinkwell | Homework #10 12) QID? 23719 Graph the inverse function f "1 (if it exists) of the function f Page 6 of ‘ httpzllthinkwell.comftwtest/printrandom.cﬁn?assessmentlD=lO3749&take=l&isTWExerci... 3/26/2008 [hinkwell l Homework #10 Page 7 of 7 13) OLD: 20492 By inspecting the shape ofthe graph, identify the function as linear. linear quadratic. polynomial, 01' experiential. quadratic pglynnuliaL- “R ,r E“ exponential I; — h- 4 x 14) 010: 20496 H‘ For which x values does the graph of)! = 4" cross the x-axzs? K ‘5‘ NOW _ / '_ Negative values ofx x values less ihan 1 Positive values ofx http:/llhinkwell.com/twtesL/printrandom.clin?assessmentlI):l 03749&take= l &isTWExerci... 3/26/2008 ...
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Homework #10 - -Thinkwell | Homework#10 Page 1 of 7...

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