Question

1 Approved Answer

Posted on Oct 12, 2024

16) logins C) logb2 . -logpx - lloguz D) log-2 + -logyx - 4logtz Write the expression as a single logarithm with coefficient 1. Assume

16) logins C) logb2 . -logpx - lloguz D) log-2 + -logyx - 4logtz Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbe 19) 2 log2 x4 + + log2 24 - - logy MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. C) logz (x 9/2) D) log,( x17/6) Solve the problem. A) - 10g2 (x8) B) 1ogg (x7) 1} The mamber of reports of a certain virus has increased exponentially since year 0. The number of cases can be approximated using the function rit). 1 19 edduet, where t is the number of years since year O. Estimate the number of (4x + 5)2 cases In year 40. Al 164 cases B) 123 cases C1 151 cases D) 328 cases 20) 2 1054 (4x + 5) + 6 log4 (3x + 8) A) log4 B) 1054 (4x + 5)2(3x + 8)6 1 An element decays at the rate of Space-dolat where's tus is the initial amount in grams and I is the lime in years airee C) 12 log: (4x + 5)(3x + 8) D) log1 ((4x + 5)2 + (3x + 8)6) this initial amount was present. If you have a 71-gram piece of this element, how many grams will you have 5 years from now?. Round your answer to the nearest tenth of a gram. Solve for the indicated variable. A10.Bg B) 56.9 g CJ 33.BC D) 50.3 G 21) T - Tockt/400, fort Alt- 10 TO In Bit- TO Provide an appropriate responses. Cit- 40T Dit- In (T - To) Give an equation of the forun fix) - as to define the exponential function whose graph contains the point (3 210). KTO Assume that a : 0. A)Ex - 729 B) fix) - 18 CI :x)- 46,656 Di fx)- 6* 221 logs (2 + x) - logs(2z - 4) for x A) x- - B) x- _ logaz Cl x - 2 - 4 D) x - loggiz - 4 Use a graphing calculator to estimate the solution set of the equation. Keand to the nearest hundredth B) [8.50] CH14.09 D) (2.14] Solve the problem 23) Given that fix) - ex- 1 + 3, find fl (x) and give the domain and range of r- l(x) 51 4* - 1) =10 A1 350 B) [1.90] D) 12.65) A) r-l(x) - In/x - 3) + 1, domain - (0. 50), range - (0, >) B) flix) - In(x - 3) + 1, domain - (3, *:), range - (-x, x) 6) * = 11 Al (1 04 B) 1677 330 CH2.409 D)59 5/4.141 c) fl(x) -In(x - 1) + 3, domain -(-2, ), range - (-o, De) 7) x - 3x +2 4) 427 281 C1 4-27,257 D) 4-60 84} D) rl(x) - In/x - 1) + 3. domain - (3, we ), range - (-50, ac) Evaluate the logarithm, 18) 184128 1 512 DIE o log-2 loghk - dloghz in log 2 - -loghx - dlogha 10j log, 1 A) 10 CI6 121 1 Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numhers. 11) Jog10 10.0 20 10-1 C 10.007 Al - 1062 (x51 8 logy (x7) Di log ( x 716) 12) logs ( 1) A) Cad_timed Bil CI 1 DIO Write in lugurithmi form. log-3 -2 20) 2 lug4 (4x + 5) - 6log4 (3x - 8) (x . 5) A1 1 54 x - 816 B) )- 4 (4x + 5)2(3 + 815 A) 15 14 25 Q12leg (Is +50r+8) D)Ing: (ty + 5)2 + ( + A)6) 184-30 A)- kog 3 32 CJ long A - Sulve for the indicated variable. 21) T - Tockt/w0 fort Write an equivalent expression in exponential forms. Ct- _ HOOT AM ZIN-2 8) 2-2-2 D) 22- &TO In IT - To 27)lug, (2+x) -log (2 41. Ius Al & C18 -2 4 D) x log (2 4 C461 -3 Solve the problem. Use the properties of logarithms to rewrite the expression. Simplity the result it possible. Assumic all variables 23) Given that fix) - x - 1 +3. find 1 00 and give the domain and range of flix). present positive real number. Al rixi -Irix - 3)+ 1, domain - (0. x) range - (0. ) 171 log3 At4 log3 x - 2log3 y - 19835 8) ( kogax) + (logay) - 1053 5 By rip - Lyx -3) + 1. domain - (3, w). range - [ , ) C14 luggx + 21gay + keg3 8 DI (4 Weg3 4) (2 bugsy) + Leg3 8 D) flix) - In x - 1) + 3, damam - (3, =\\, range -(--.=)