I. a) -L 1 = -23-43o(r7-0

-23t 300 -1)

= -2 -4- 3o( co)

L i) = 300

-2.34 - 5s .+ sof)

151

cx4d (6 -0 ‘D) ci= - 3-t- 2.5x

53-2(n p \sck_uz-A --P15 = 53 --ci-sn = a + d(1-0

= 4- 2** ri -1) 3‘' -211 202 = 2 , A. n-r)

2.cx = 1 17

2 ii - 1

---

oil 2'4= D -I- 3(n -1)

24= 3(r)-I) • = -t

• =9

9 2

Col )

Co -) 2 r73.4 '19 (c, ?,5 ' 8 ) 92 ) )

b) a =9,2 d- =

to = 9,?,-1,6(n-C)

t o -, 93 - 1.611 1,(0

11.4 -

5, a = '7% et 2.LF 72 -1- 11(24) = '7Z + 264 =3'+2-

=

= 4 + r1(I -1 - 1) 14 7(13)

4+9 ►

Gb) 1- 6104-0 S ly.=

-(2-903) 2 .

---- - 7C- 93)

- I b‘c = - (0C 1

-L, = ai-c( GI -0 S26 -2c.(4.2.+34.,(,)) 2

3O, 1, (001-1 1°(3$. Z)

11) - 1 = 32g zo

L y.,=a-k-ci(n-t) = 12 (4 - -5D = -36)-0

= = 9 s(--,H ,) = k = - 43-1

= (9.

83s,5 n_c2 + tzl) = (12_9)

= lain

= 13

•

Sob tatorem(vIect = S3 = (3e9S-4 >

Monej ea, Ked = S iz = 2 (50+ -L.,)

'(0(504-16()) (02 to)

laGo ok c,o+ -70 -riso + 90 160 1,2Go

a:ADA _eattAs

4-2S-4 a c

t iz = so + 10(12.-i) =So 4- I lo

(.1(0 = 0,Z 20

17S

r 2 = 1 -7C ( 2_ z_ 25

11, Y

((yok-,:r\a, ci. 44̀ 1e rrrt, L.1 s 145vds 4 +tout_ afier

3

= 40(2)°-‘

40(2)1 =

skgril 41' 1-0(as-0 cS.4t( 3 anto.t4

V•s(t = I /tip

ae 0

4 9 12-

) )--- is— ir 21 ay

561\4 vaLt9._

(s" •

=

°)L g • g ' 9-) =

=

— k °415

--ht2 o - (11A% )(b L' = 9S

L' 0 - W— = (0 Si _5 (su -) -1

LS = °()S

L 8 ' I -

( eizi.0Q . 0--)obz= OhZ _5` 0- = ',1-7 1

01)-6- _SZ, Eb' -7--

I -_S ' - 04)2- - (SC 22 1.2)(s o -) = 83

• s9. gp 4- ( sp zf 1°P 4- +, (t.

_s s _5‘ g — 0)-11

C2Z) = 75T:r - CLIO 1 7: 3 1 9 e7E

- 02 L

I - 7.::_02 • ) ̀)S

S

S '/-

1'9 - i

114 >1 17 = - ( 10(,1) 1° I = gS

rd.- z 4? ° rek- z, 23°

21 .

19, c) cos 0 = b)

C os

1

242° Af 91 CO

(A 2. = 2'12 - I to 2 (eCZ - 0

4an c,05 30 ° 2__

s.th Lt

Si-

Ta. 6

5' el

2e's a) CDs 210°, --,11 10) s_in 31S° OD cos ICO a - 2_ ‘1":2- - ► 2

c.) -Ian I3S. = I =-I

• ) = 1_ 4c„A 300° .ti

7 2-4- 2,1=c"- L(1-e- =

d Z (.2C

c = 2s-

Cc51:3 = - 2 ilif)

) If X 37 2

X 7-= 3S-

Sines = ca ist) 2s-

cos6- = iNje

irAn&- .2.ga aolj -7 "7

rudio 3-7

-766 _ad; 3S: -= Ilya -1?

•

4. 12b -30 = ISO"' = 3too-fib =3306

b) 617)6 =0

5,

c) cos = re-C red L = cosYo.$). 40,0°

Con. Is Lv_

s". 7 °

= - coo - -a.A3c.°

24, a) 75.73 = f 80 - '7g. 73 - Gs- .

Sitar 0(

dine Lao) (0.08(5rnb) (s-. G3-"Xsit-og./3)

bs. 5_inlrs-12)

35'7

Zb. , ,s(1- '(0.9/i3c17) = 6c.

-5if) 7F(. 7 3

6. or

c ( 5 07 g.73) (6,02 Y5;n 3S. 5 --))

- C6.0?)(sio 3S7 S-7) (sirOg, )

• C2-= If 24{2 ■ 2012, 2) Ca 9. 14.

c?"- Ho -4- L V //, Lt5

9.38 : 4 = 5,,,0 471,4

3. 06 2

A , 3„ob

4i/1 461 ,

L4 = s;(i-Yo.v/1.) 33.1 a)

C .= 3. (r))

ran Gas eas+4oe.. pas :Awe III

r-ef

-.A) -61 Is ney.

• errs:114e

re:( = = 3cf

Lg= IW - - = 1 ° • B 31=.

B(sul3s45 3b(sirlc16, 6) svott°

• 0 •

27. v(-5) -I) r tvt O. 27(0 -t 4.0,S : X = -5

x-ity+: 0. -0,2S(x+s-) 1-- 1

I -= 2s-(xts- 2 -I:27f 4tAk

pcs5bk. ;„. opens down

no

-x&R

rmx v2ive. is —I whey) x = -ST

• = -a, 2. -(2s-‘) - I = -7, 25

cljt_ck, 65‘,-NA < a < --h-Qin 2 A,'s 4251n3431.442.

2s--,01 4 -3(,442. ,:41rviz so 2 4's .

Sin C. s in 3g 42., 3‘'

42.(_SA 34,

6AC:., 0:7'23

si (1-1(9.-1 4S-.9 °

)16

E= 5i.i cft,

120 - 4 c- 13,1 °

Z = I - - °= 7, 1' so 7,9 5(138 °

8

660 36(sin 1)

e = 31, (.5t) 1.9) sin 3%

o cm

2s; o.) p ete_creci4e8. nlov.e 5 ,5 corneit.ss;cy, 6,j Cuktr

cf. inc-recese.a by 4 s 4 (A40 durcaAgct 61 9 down 9 • ct) I

v(-3,0 Cc= (

OFenS Lke

304 re/1

- 2.0( -4-102-+ 3

v(-4) 3) 0,.=

opens clown ) \kyir. evfens.dr.

9raeh 4- 9-

q = 1(x-z.) 2 - 2 , 2.1 ) a =

opens (.4) ) tier c ►pmsier,

9Y‘tir'

2,c-) 2 1- 20

-fr 2o

- 4 (x 11- .2., (p,2S) 23

--if(X 24 sx -÷(..2s--)+20

20 — ZO

— 41(-1-2,Cox —

Zo v(-2,c; 20)

kik bed et-I-vey-1ex Qt-ftx

+6 a/Y.4'f We

• 1 el. )( 3

A. v ( -3) - s--) and CI ) 2o , Wield '61"

y-acx-pY-4- 01, ur- g.5- (x+3)2 C 'J I Co

20= a( 1+ -,y-- 5- 20 - a_ 0+) 2 - c

ILAT 423 cenv_vvAzair ca slc,y,dar

cvfj

-4x2- 20x-- 5 1‘ 1_ o-vicxceto-r

TO F Aa vex-tcx

P = .212 -

zo- -

• r t3h4 ) 20 40 ,0r\ (-34-1 ) 30 -

) k))

-0.5),a43x - 4-

j - s-(x2--4,x -

-0.5( x-3)'--fros c

b) y= (ox-t-214, K +)7 -f- 4 ) 7

V-T 4(x+ 2 ) 2'7

•

-442.i11 Vo is

•

x = ora, nuotber

Y - (0 :7 (Atte" flu.nittaer

t5s ‘,01.Q.n 'X=3.

v1u.v4e,rS arse-

3 anal - 3,

ofou,s

C,

\• X =3 - 3-6 -3

-3

-i-keye shook be

3 = K(44)—)c) -Vox 4— comer+ -lb kie4A

'Vox -car fY1

(x2 Lflox 4_1=‘) ±529

d= -(x-23Y- ÷ 521

Fak4uAc, 4L oipcns down

silAes max vectue, Is 5Q9 (Auvet

numis.efs ofe- 23 caNa. 4L-23- 23,

32, a) Lei- X.= eine nculiher % = osier n

v 5,9-cat)

-x - 23, TL2..

•

i ► ccemoes m price, Revenues = (C)3S 04' vt-144(numacy

e = 432. 24 .x y c.

L.x *2+32 (x'-tLx +9 ) +9 +q-32

- (_x -t3)2- 41-1.1 v(-- ) 4-41)

opm ctowei /1"-

3 dr_creze5. pice, Opkitylai evict, -lb maximize_ few

is t2 - 3(0,5))=12-1,C0.* 0

33. 0 = x 2 + (,) x - 2, Gwcy011 01)8, deb on me.

1.4"45

oVe ✓

y(-3,- g

ri 9

13 IS

ovel

LcA- x u,i841

2oo- 3x = (000- 1,5x = lenA-4\

A(Ca. = (m-c.A-4\ )0e

A = x (Coco - t = Coo0x - ,5x

a= 44,0o x Pr = -- 1.5(X 5-- 4W x +10 000) + (00 GPO Pc- = - 1.5 ( X - 200)2- 4 (00 000

v(2-' (Do 000)

14.s_ AVX ate.. ks GO coO 4 2, When 20& `I wick 2o0 ct.

kra)-k= 1200- 4o1 = 30o 2_

-k-1/14.excte-Vs. Coner-k- to vex kcx Ancraf iA,

•

4x1 - %I = (2x +9 (2k. -9

b) 5x.1 = 5(25- x2-) = 5(5 rt x)(.5 —x

c) Cf C3N - )(3x 2) = (Sx - 2Y- c ) 3x 2_ 1-71( "1" 5-.4 z (3X .Y)C

• 5@t. 3) 2-1- ((i-3) - cac,-1-zw (c), sx43s\i-kkoevi 14 (41.00-3) •=' M -22_

(51.4 11)04 - 2 4- Sub, ILI= ()c- 6sic 5(( -6)4 \ I) CCK-t) = (5?k tt)( t3-2.) z- (5x 20(x41)

X2+(ox- tic) =Cx +(Z. )0( -2

x 2

3(c)x'- -1 1-0-1- = 0 34(x 2"-14) =

St, x tp--)6( -2) =0

k= -2 X=2,

))( 2 - lc =0

(2x +3)(3x- 5 ) =O.

-3_ x= 2_, 3

35, a) x2 --'zzx-k- 15=o (x -5)0( - 3

X=5 ic-=

d) 41)( 2 -gx 4x(x-

x=0 x = 2-

3(0. a) 4x 2-t- 4 x - 5

=-4 6=4 c =-S

-4:F30+f:4( 4Y-5) 2(

.11(0-1-%o

= -4 ± J910 2.

2.

Nahct oc 442., rook

6) X( x-2) - 1-

2.x. -4 0

I b. -2 = -4

NO41),(4, or- ci-UL (004

e cliscriac,ryx+ -Fells us koto ntanj rooh (x-- -‘4(ce404.%) rocktabo\ck mss.

IP 132- 4ac >0 -> 2 caferext rO3A-5

b1 4ac = 0 I coc.+

4a,c < o yo rem( V

1,214 -ac. 4(4)(-5)

= A-%o

- 5;ncie, 9(>o ) -14,eve, aft- 2. real (oak 3 0c

2 x-inAccce..44%

- (-4 ±.1(-2.)1 46)( --4+) aCn

)(= 2 "1- .14 4 (6 2_

2±

±

IBS 2_

weA-14(c. 43 (oak

irtc- C-2)2- 4((X-4) 4 -019 •

- 2o 4- 20>

2 fec.s, (ocim

X-4-3

• 37.a)

wica = 44- 3 -=- 1

-x -+ -)c - 2o

ot=2 b=o

Nai-to-c. A.

4(sa_--3)

2 trod fooAs

= - 0 ± 4()(_-__3\ 2(?,)

Lei x =c nk.."6,2)(

x ?--- 4x =

- 2A --=- 0

-1)(c

- 3

i`,-rv2X Q r

G) Lt.+ x = +4„,_ v l_xn..t>s_. +f-

X2

"- -X = 2-0

(X - )(x +- )

x-4 X

F x = 41.4 -

• ,124 x

(L, -

.154 = .1 (1-6 3417

b) 4TO = = 4 S5 c-) Tit; - - 2 31-27_

44) 11.0(z = 3\12-7.9 = 33W

(---emcrccr.A Satuare Ourik6ss 4,c1 ) 00 ) 25,

2 '1 ) (04 ) 1 25; „

4°• 00 2S5 = ,i727%

b) 5\7 = 3 , 3 = .) (19

At, a) 2 . ir- c.co'4- be cilkicket4 ) coletvoLte 4L/ gevkor&v\r-Lfc r 4-S

i3) Si-

c) - q 3 24v-8- 29. 2 bJ

42, a) 2 S3

b)(91-2 -4ata .3a

.4\rr,-+ 25 4- kArie, ractccois ) Can (*NOV Corit6qe, al\ Qvi-fiter \Rs 41:2 e) ;To f 3J54

=1252 -25i = 2 \a = 2,25:4- 91-2-

ck) (\)3 = \1TE

(17. -F2..)(\1-41) = 3± FE4 2Z t2 = 5 +- 3.1 .

c-) ( 24 +Z)(1-- ,T) = 16-5 = 4- AllcSe ace CO A:ykTICS Sg_1(yte, Act tas )

M iddle s\ottl (rYi -cans cocci IA •

when Fo

z- )0(A,--x) oz.- x-zx

4, +7.X --YY1-0 P;I) )4?-) OT "DZ. XND-1.11

x6 ()9 °)17

orov 1,o00110 \ TO f-or 071

)1/4kSd) oU

• wox\--n\ps o\h -D-C\ vcr) ---)X0Wrs

fbAtik- LtA C'S 'DD LQU PrMA 110k

-wm-\ps ou

fi -

C 6- 6- +'`')E-

."6

•

- xg = 14.)(

--(t÷xE (p ( 6= -2LI\ ("3

"APTIQS 0

g‘Q1 \ T. 7

=

c)) =

- )( r

gyF• (7— 4k-o)tpuk-P■ (z4-2) • n)

1—

-S_ -

g S_1\ Q911,/-7 •

c) 49, a.) 4a _ a_ 9 4 .

ri? 1 8

-= 5a- ( 2

X -t- a_ _2

= x -3 _ 2x --x, x

= )t.. --- Zx + 3 x

cl). 30- (A -9-)(Q -1 )

L) 2 4 4( x+1) 2Cx-

2 (X 4-0(14) 4 (xi-0(y

= 2c-Co 4( \< 1)(.x-3)

• 3

(x-ItYx- S) (x - 5)0(-5

20( -5) - 3(x -10 (x-iiy_x -3)(x-5)

-10 -3x4-1 - ( X — 9-XX — 5) (X —5')

Lx-1-0(x-5Yx -5)

2 - x (x -`+)(k

I2- 12_ a) -4- Li- x =

4

30( 4-0 + 3x-1 -2_4- 4-y

rix =12

2x (xi)

b) 3 2x

2x 0(.4-

3 Oct - 2x (22c) = -1-x (xti) 3 x -)3 - 4x

-3

= 3 1

-2x (xt 1)

ff'S-;-x c5\-N'co•

0) - 1

'x- 2 = )(-- re4Y Aim\ ‘• x43

•

x -3 3 -x

- _ - (3-') (3 (3--)0,---

--7K)

"-x+ 2. _5-c_, c3 _,(3

"X(3 - x) -1- 2 = ■ 3x- -x.2 +2_ =

= - CD C)( —3)(x ±

X - 1 •

(m+i)(n1 ()

(e 51-e- -clea. vafamo, m ±1

Corn oyo,i)

638) _ -5 ► ) (111.4-i)(fv1-0

2%11(01-0 - (,a\ -5) 2nn - -4 5

(61t 0011- I)

)01\

= - (,3)21- 4( t)( 6) -2.c

SAA\VIA

(x-0(x-2-) resAY- acc( vaLts

L o) f -2( - one *- -x+ 5 - o4421" tI larTr)

iA(X 4s)r 7 = --71 1/thef-S)

) / I

-X Xt5 J

i Lf(Xi-Si— 14X = 5X6 -f- S—)

= 5x 1-4 25—X

O = 5x'-fr 25x - '70 -

0= 5(x - ( x \

X#0) -5

-= 3 d-d:1 no

(X--6Y )c -2) 2

x )(x )'1 (X -2) (?—G) a) +-

-= x (x-0 + (x-2)

= x 2-fix x -2 6 = 5 -K - 6 0 ( x )(X +

2-1

1 20 4_3_C..)0 9 2x

2)( ,

FroIt X .ifirtt Ok(Wej 1TAL

ett4-167,1-0- Ibion

Tr)

4 to ins+ carreflf

5 1-ream - -2 45

4s- downSkreallit X1-2- • 9-5

4- sub (6 ) 4-)

-X 2-1 x +4 - I 1+

x 2---3x or >

prp 0 0 0

i° +- _L

12- 15

l5 .)( -+ (2Y =

21x = I%o

Sirs

240 + Soo = IcZx

51-0

7rne. sA\tric 414.c. 12 I S

Ifs

X = 30

CX-2Y)(12.1 (X2X)c-4-2)

4 5 45 X ±2 0_(-2) Oc 4. 2)

.45(0- 2) 4- 40(--2) = (K -2)6( +

5y t90 4 45x-50 =

90X = I4-x2 -5(0

I qx2- -90 K -5b

2 ( X - 24-5x - 2)

0 = 2 (lx -+ )(x -

b = s m=-2 -

- )

x>4 r).,Q Ns i6

C■ f) ck e

5- g S )5 I

7,1 o- II

5 }

.-v

nok = - 5 2.(3)

= 202- 4(t) -

-g 3 0. =

3

I1-L 0, c rcp)-) s

55, o) -3x410

20x s)2 7 v(c.)

11\ S a pi 0 Cc.-Q_ cur, ci.); Gyk

cs) .b.,240( cNCJY\ (S) 3

2) Qya0 J = X4-3 3) btiow,.) sof■ a...sra,p6f-1 doAcct 1'01..ils 4 6.6

Steckh fect psiocA.Q "°Vallke pl 04 vwcr-v c 0-414

eat t-VV'S

1.) no fes4( cckc, vaiufS Ve,Cc(1_0 asr,f

V(0 1 3) GL..= arc = .01 2-+

3) Drew c_S Tr‘. eVrik

ReCI pi0Ca12- 3 is

See. answec kci3 Ev c acciADA\-

2x,-5

4- -5 ca" ue-)4 -k -6 ve,■4 Q, 04 caNcielv -44 clua

‘17.61) '4X-3

3X 2± L7L,( qx-3 = 3/c24- 4.ix /

3x2 -1-

X= -O - 0 -± ,ie---4(3)04) 213)

• -±.1-Lf8 no sol' a'r

.6) d , xfI

57, a.) < 3x- 2

3 mph y = 3K-2. ut,1/4 b= -2 rn. 3

-Fesi CO) 0)

0 , t

or

-2 ■4 4 - cfk t 5 2 -

2 Y. -

10= -2,S m= 2- t

X-c rvir; 0 = -

-=

• o>2(0.)-a.s-0 >-.A„1-

5 X -

-erriNAc

csz90. - x)4,

(9

";

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