Math 21A Vogler 1.) Find the slope and concavity of the graph of x y Discussion Sheet 6of Sketch 2 + theygraph = this equation. 2 a t x 0 a nthe slope 1.) 2.) Find Evaluate thed following and concavity limits by of the using graph one of the x y three limit definitions for e. t Sketch of 2a + theygraph = this equation. 2 a t xx 0 a. ) lni cmc ( 1 n+ - ) 4n + o o n - co ( 5 1n 1 a 2.) Evaluate 2 )n thed following limits by using one of the three limit definitions for e. n bt . ) a l i n )( n + 4 ) x d.) e.) l i m . ) l Tii m ( nn- 5n) h - H f.)- l 3 icom ( (51 1+n 3h) 4 n n c- 4c00 ( 1- n+ n- + o o 1 a. ( 1 2 ) 2 n , nb . n) ) 3.) Solve li for n x.() n + 4 ) 3 n d.) e.) l i m . (2nn- 5) h - H f.) l 3 i m ( 1 + 3h Ti - 4 00 n ()a.) l n x 1 = -3 b.) l n x = ln 3 c . ) / ln(2x + 1) ln(x + 3) = 0 2 n -C n , )h -. 3.) Solve for x. d.) l n (x 1) + ln(x 2) = 0 e . ) l n (x - 2) + ln(x + 2) - ln x = ln 3 ) 3 n 2 l) a.) lnx = 3 b.) l n x = ln 3 c . ) / ln(2x + 1) - ln(x + 3) = 0 Ci 4.) L.Me t f (x) = x h each. 3 i d.) )1n l n (x x .- 1) + ln(x - 2) = 0 e . ) l n (x - 2) + ln(x + 2) - ln x = ln 3 + S ol— l v e i f5.) LFind 4.) M e t f y(x)= =—x dx /3dy i 1a each. n s x . (s io+—m x l pv )l ey S • 4 = a.) y = ln(5x+7) b . ) y = ln(ln(ln(sin x))) c . ) y = ln s i n ( 3 x ) • (x - 2) f5.) a Find s y = — (x x +1) dx 0 /dy p oa ss s 5 • (sa x l ypne=)l xy. i ib d.) m d 1 y = ln(5x+7) b . ) y = ln(ln(ln(sin x))) c . ) y = ln sci on •(s 3 x ) •4(x - 2) = a.) D af ( 2x +x1) f.) (x ns" y = (2x)x+ 0 o p( o3 s s 5) • 7 xyng= .x ) a d.) n i) b ye l . e . c• o s 6.) for x. d 1 o Solve D (t 2 ax ) " y = (2x)x+ fo= n= t f.) b.) 7 • e )n yix ex 3xa.) gY =. 2) (n0 s 7 2 x ± 3 •1 3 = ye2 )ofm Solve 6.) = d p . for x. . tx a o =h x.i e = f tlr )a.) ) exY = 2 n b3. ) 7 • e 0 y xy3 )i -x ± 3 s7.) 2 y 1 3 xy Find •e y/ = — 2 fm = dx =x d p x dy a h= (D o . o eC lno ox.2 ix t f . 2' + 4x ryu )3 x y = 7'• e 3-) a.) d.) y ) 3X + 5X i y•(-4 m y/p= l— 7.) xysd ( r Find 5 dx xe Y isa f e 1 y no = dy a ( D C • x + 1 oye 2s) o l n .x 2' + 4x nus oxx4 t e w + a.) y = 7'• e ) d.) y ut i (-x5 rr p l 1 3X + 5X sd m x ( b . ) rae 4 5)•n s e) isau 1 s f Y = yyy+n. • x 1 x( w p )s(0eo l r n ye e = s 4 e2 + =. r w utesa x5 1x e xlx r .o ) g b s ) )au •=X .yn . s2 si (5 +e w p y(5 r 9.) L e t f (x) = x each. 2 • e d x 10.) Find — S o l vdx ed x 2 dy 2 y ( x X = t a n d 8.) Find all horizontal asymptotes for the function in 7.)c.). a.) ) w h t y2+ t = e nt f 2(x) tx = sin t 9.) = x 0 L eb.) teach. 2a • e n y = cos 2t, f o r 0 < t < 2ir t , -d1 f d xff11.) Differentiate. " 10.) Findo— o dx d x 2 S (dy o xl r v e r( b.) y = x • arcsin(e y x y X=2 =arctan(3x) )a n a.) t d 0 e a.) 2 arccos x - arctan x )= 2 t t y w h < a d.) y = c o s x) c . ) + arctan x - aresin x = 0 ec n2 2t tx = sin t y 0f b.) -< t a n t cos 2t, f o r 0 =< t < 2ir aoh (I ( antr yc, = X xf.)y= rcsin+ 1 -1 a r c c o s a 1s o x ) dr fe )3+ fo2 ( s i n f11.) " xo Differentiate. a t( ) x r o. c+ +t +a+ +n + + + + + x+ + + + + + + + + + + + + + + + + + + + + a fie yr =. arctan(3x) r b.) a.) 2 y = x • arcsin(e )no ( S 0 i m p following problem is for eThe 2) recreational purposes f ) arccos x -only. arctan x = d lya yi < =f c yo s ap d.) x) c . ) arctan x - aresin x 0s s pattern w c 2aa t na hidden y determine the next number in the sequence and fer12.) Find e < r . ) h ( (ea r c t a n = otm I0,1,3,7,14,25, x41,63,• rcsin+ 1 -1 •a• r c c o s a f.)y= st xr ) o X ru ) + o2 e 3c ( s i n xpi + + + + + + + + + + +++++++++++++++++++++ a r c t a n . te ) x a oq fie . 2 nsThe () S i problem m p is for) recreational purposes only. fu following di p lya i f y sga a s pattern w r12.) Find ai na hidden and determine the next number in the sequence ent e r . ) m e tco 0,1,3,7,14,25, 41,63,• • • tn r uh i c pas e ar. q st u if a go t i nr o c n 2 h s a . r t f o r 2 Thanks to Dr. Kouba
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