Nam i bey Semester 1 Test Review Write the letter for the correct answer in the blank at the right of each question. 1, Which relation is a function? posses vyorttec| Ime fest 2. Find the zero of 8) = -2x- 12. om b.-12 12 is 3, What is f(-2) for 42) = { a8 b7 cB &4, Which function is an odd function? — =x)* tds OH Met opposite offer) ® fia +4 oe fr . > says r Oye Lye UK? t-2x A opposite of fey Sfgiasted Ged? GANT = td not opposite of Fees 4. faa staan fer = Exton © hae nt oppo of Cee) 5. Which function has a hole? ons x (ay 2-4 2d. (RUE wn febor Dhole Dhan for Gls RE 5 Gate abr ake FOR 4 faa 3 6. For fla) = ye what expression for a makes 1" I) = correct? a.“ = we be fel arymmpht ch YEO gwen dayne of tums Sr Ma Bh Of de de 7. TEAMS The function p(x) = ~5x* + 47x? ~ 109x+ 90approximates the number of students on the debate team from 2004 to 2010 where x is the number of years since 2000. Which of the following best approximates the relative maximum of the function? as x \o\y jrof aly \sle ¢\ 4\ bo pels. ped lio tes sil s6 las 48 10,880 merelchee mox 8. ROCKETS The height in feet of a rocket 1 seconds after launch is modeled by h(@) = -16t7 + 721. Find its average speed from 3 to 4 seconds. u sé Wd) = -lbaTa WG) = WZ © 40 fvsee WEA) = 1A FRE) = 32 d. 56 fl/sec m= 72-32 3o49, Which of the following represents the graph of a) = [x?|2 ‘ y unre pe wk ob XE-2 fas levi = 91 “2B €2,8) 10.19) = x Band (9) = 28-4, find P+ 8G fen + 589 ‘a= 3-7 ere) (ya) + (oes) eg e—x-7 > - c. Ft ga) =-x41 dK-7 . (f+ g)Q@) = xd 11. If fa) = x? + Land 8@) = 2x, find [7° 2) 2 & [fog] @)=27+2 Sgr TH > Atl [fog] @= 2741 © [feg]@) =x 44x44 feg]@-a2et12, Find the inverse of fl) = 2x49, - —— 4 P'@)--2x-9 Ye Lxt A xezy +4 ~ 1 ~4 =4 por SZ me 13. Which function has an inverse that is also a function? a farm in| “SE x b payer AE x © xe oa a= *5t Os @ro-2 passes howe al tne tab Cubre porch fanchin 1 14. The graph of Aa) = wn ‘is shown at the right. What is the domain of the function? ae (2) ©. (e0,0)oF (3) d. Ce, 0) 15. Which describes the end behavior of the graph of tx) = 2x? = 5x417 a. in fa) =, Sn fs) = 20 symee the beens Gotbest > posites . lan fs) =~, tim fa) = 00 vege aed Machen ao, Swok ATE Qin fo =-« lim fa)=e0 1s odd, ett teat Gebawrwr wl 4. tim fe) = ten fs) = 0 opyesitt 16. What is the greatest possible number of real zeros of f(x) = x° ~ 2x7-x+17 2 N23 (Ase) © a417. What is the greatest possible number of turning points of Ax) = 6x" + 11x —x7 +22 )3 b.4 ot turn pon = nl 5 4H] 46 3 18. Divide (x? + 5x? + Sx= 2)by (x+ 2)using synthetic division. x42 s 8 +2 deg 2 ~e 2 Ci 38-1 1 3 -l oO © a p94 16 2 ~\ Bete 94 eo tbK 19. PHYSICS The height A in feet of a ball thrown into the air after ¢ seconds is given by h(®) = —16? + 351+ 6. Use ose substitution to find the height ofthe ball after 0.5 second 19.5 ft s| - b.21 S] ce 35 25 ft ub EIS d. 26.5 ft cbt ss) vemaiadiy > ies) 20. Find the remainder when 2x? + 6x? + 3x~ lis divided by x~ 1. Is the binomial a factor of the polynomial? a. 0; yes A 7 : 3 : 1 wb L uv 2 g NN ilo Sina the vewainde £0, xl vs nt a factor according to thy feeb Heart « 21. FINANCE For a period of x days, an account balance can be modeled by /(x) = $602, @pws 8x. When was the balance (0 = x3-x*- &x so Dott ee (Ppt etsy (DWT) PHD OF toh“EO ooo as -iF -4o Sieh ney TAT BITE ny 1009-100 ~ $0 = 5 Tbx = LOK tow > sad 22. What are the vertical asymptotes of Ax) =__ — 7 " oo — 23. MEDICINE The concentration of a medicine is modeled by A#) = Gala 1: What is the horizontal asymptote of the function? alt garg Or-0 dinomidlohe’ dyer 75 lager then wamercte’s digits 24. Which of the following could be the function represented by the graph? a hole at x=2 Vechedl asymptole at xey “hls bsg) ow B42 S Lymn Wale ab x2, /fx) = 2-4 __ yer fecbes foncl Mon &-2)e-4) e420 2D X24 fr virhed aoympbte de = 2 t= Tew 1 25. Solve Zyq * 2)" (ailery er LCD Gre} t) + edrng xl -) 1 4 (se ow OS ged a6 o mead e yl ay 7 cut La‘ ao i Ga Utes” EA 3 x “eye 26, Which of the following is the solution to G+ IE-D S09 a Cece) Xr3FO y-tTO yw x20 xB b. Con) or 20) op -3 He ©.(-2,3) XEOB yen Fou ae tt [-3, 2]27, Choose the graph of f(z) = 2*. COreRLI ant Cor") ‘ nporatnl duesy b. ‘12 me 214 e. 4. 28. Choose the graph of x) = 4°"? a (aN) ecw of por geak! freakin rae % y \-zhpol t= ryeleyet fon Var) oq 429, Evaluate logy 4 a2 yi ; qr ba 2 ax -3 o 2 Sif > 3 O 2 30. Solve logy + log, (%~ 2) = logy 15, a.3 only © only ©. ors fen (=F x F3d76 31. Choose the graph of A) = log, @ + 2). x- 50 xrs=O & xyes XS echenuovs Prd vee 1> log, Cyt? aoe32. Solve 5 = 3°? \nl’s »& >) 2.2732 b. 3.109 XK IWS = 23 on x lnS = eld +203 @s0 axin3 ~Kiw3 Xm box 3s 2nd 2 4.304 xClns - Ind) = 21nd 33. Convert 10854710 a natural logarithm and evaluate, {w 5-1 Va Sly a. 0.770 b.2.241 s* 247 232 Ins* = (Wi7 42516 xinS= (ed? ys 2 gar ne 34, Solve o?™ = 21,2. cs ¥ a. 1.898 \n(e 28.2) b. 4.663 ©. 8.234 w2xe lithe Q@15.270 we K=15-276 35. BANKING Find the amount of time required for an investment to double at a rate of 12.3% if the interest is ‘compounded continuously. de - 5.635 years Be Pt oe Wiz3t= Ind B. 6.241 years 2P> Pe’ 23 123 c. 7.770 years 4, 8.325 years