alg2ch3brev_sol

alg2ch3brev_sol - Name: Algebra 2 Chapter 3b Review Block:...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Name: Algebra 2 Chapter 3b Review Block: ’- Calculator Allowed For questions 1 — 4, use the table below which shows the amount of the US national debt per US citizen. s a s a» w v I ) gm} Year 1% M .498? M21.“ L985 1986 you be} 53? Debt per Citizen 1 $3985 $4338 $4918 $6640 l $7598 I $8774 1. Write an exponential equation that models the grewth of the debt as a fimction of the number of years after 1980. r by a 39w.qu (Ms/5)? l r = fl? 7&5703/ 2. Write a linear equation that models the growth of the debt as a function of the number of years after 1980. [FL/gifémx/Hx + 3§95,/79’ r: .929? SW7??? 3. Which equation is a “better fit” to the data. Explain your choice. Egg/among r is annex to / 4. Use the equation you decided to use in question 3 to predict the debt in 1995. W... r ,,,, mum” In ms, at 2/5“ 1,. if q: 38&5042(/_/c15jy z 27%0. 2% a“ 235/9925 5. Use the equation you decided to use in question 3 to predict the debt in 1975. fl, PM :4? J (“V775, K“? a: gnawing/V535 1 [991733517 l“ 099393 6. Use the equation you decided to use in question 3 to predict when the debt will reach $120,000 per citizen. X , licence}: lBS’EB‘O‘IZUI/VS') i 7' 4 7'1 ’ Catwalk, Middleman/1... (h it» e X’1973'372 m saggy nt ‘ For questions 7 - 9, use the equations B = P[l + L) and B 2 Fe" . n 7. You invested $1500 into a bank account that promises to give you 5% interest compounded monthly. How much is in your account after 2 years? W / OS, (2'2 19‘ B=ISZ50U+7Z Z @5711” 8. How long will it be until your money doubles? r.» 5” i2}( (32’ L ‘ if 31' t gawolzgxsno(l+:§; “P 3 J, t y x’x/Zt’fl £4” 9. Suppose your bank decides to change to a rate of 45% interest compounded continuously. How much is in your account after 3 years? 3'. We aéw‘m Z int/w! .. COL(Cu/la,‘(f, intersection .. Lung); yimvkvlh my mvxli’fltilwwu‘rwmnmfiuwmhilmzwan . i. A v » 10. 100 mg of Neptunium—236 decays radioactively according to the equation y =100€_0‘0308x where x is in hours. a) Rewrite the equation in the form: y : ab". )1. y r: [00 ( . Q '70) b) Determine how many hours it takes for the Neptunium-236 to be reduced by half. Explain how you found your answer. M Y! (/2 ~ ‘ ’ cal (0% [wk “kt/Staff‘s»! _ . , a, 0305 2‘ 5!) = /00 e M Q: Jr j. y; c) Write an equation in the form y z (1%)“ where h is the half-life of Neptunium—236. (fl %z.505 / s /00 ( For questions 11 — 16, use the follow' g data which shows the number of FM radio stations since 1989. (“05 2 fl wwwaw Year # of FM Radio Stations 0 1% 4269 ML 1 yet) 4392 . co 7. Jam 4570 WW 21% 3 412152 4785 cf i963 4971 10m g“ i994 5109 1 5 5703 11. Write an exponential equation that models the number of FM radio stations after 1989. / y : floafi/ (Away f ; I a77X/2V53é 12. Write a linear equation that models the number of FM radio stations after 1989. r_ 1 ._ WWW WWWWWWH V = Q/fi/WX + 7/70,fl?3§ r: fie-7323208? ; , y j i , 13. Which equation is a “better fit” to the data. Explain your choice. ggfldflflné‘a/Q... V25 (L/mfer 16 / 14. Use the equation you decided to use in question 13 to predict the # of FM radio stations in 2010. f4 2010,”:1/ 2! j: flannel (M at) I: m, 804,, 99506 6 K’: /O, 507 i More fim'lom; 15. Use the equation you decided to use in question 13 to predict the # ofFM radio stations in 1930' Cvx=~? {/35 2809‘} flee/o gmewmr 16. Use the equation you decided to use in question 13 to predict when the # of FM radio stations will reach 9000. " {m gala/i t w. Calm/me Quite/{gaziww a “L 4 51m {(2 Mfr/76774 ,7 / :74 7302.74/ (1.0%) * gags: age/w ...
View Full Document

This note was uploaded on 04/11/2011 for the course MATH 1100 taught by Professor Staff during the Spring '08 term at North Texas.

Page1 / 2

alg2ch3brev_sol - Name: Algebra 2 Chapter 3b Review Block:...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online