SECTION 2.1 - THE TANGENT AND VELOCITY PROBLEMSTangent ProblemDefinition (Secant Line & Tangent Line)Example 1Find the equation of the tangent lines to the curve y 2at the points with x-coordinates1 3xx 0 and x 1 .1
Example 2Susie and Johnny are running a lemonade stand. The following table gives a running total ofmoney they made as added each hour. Estimate the slope of the tangent line to the graph att 3.# of hourstotal 0 01 4.502 10.253 18.754 26.505 33.752
Velocity ProblemDefinition (Average Velocity & Instantaneous Velocity)Example 3A baseball is rolled down a ramp. The distance the ball has traveled, measured in feet, ist2modeled by the function d(t ) 2t 1 where time, t, is measured in seconds. Find the4average velocity of the ball over the following time periods.[1, 3][1, 2][1, 1.5][1, 1.1]Find the instantaneous velocity of the ball when t 1.3
SECTION 2.2 – THE LIMIT OF A FUNCTIONDefinition (Limit)Example 1Find each limit or explain why it does not exist.lim f (x ) lim f (x ) x 4x 2lim f (x ) lim f (x ) x 0x 4Example 2Estimate lim x 2 2x 1 .x 6()4
Definition (One-Sided Limit)Example 3 2x 2 ifLet f (x ) x 1 if0 x 3. Find lim f (x ) and lim f (x ) .x 3x 3x 3Definition (Infinite Limit)5
Example 411Find lim and lim .x 0x 0xxExample 5Find the following limits.lim csc 2 x x 0limx 21(x 2)2 Definition (Vertical Asymptote)(See examples 4 & 5.)6
Example 6Find the vertical asymptotes of the function f (x ) x 2 3x 7.x 37
SECTION 2.3 – CALCULATING LIMITS USING LIMIT LAWSLimit LawsSuppose c is a constant and the limits lim f (x ) and lim g(x ) exist.x ax a1.) lim (f (x ) g(x )) lim f (x ) lim g(x )x ax ax a2.) lim (f (x ) g(x )) lim f (x ) lim g(x )x ax ax a3.) lim cf (x ) c lim f (x )x ax a4.) lim (f (x )g(x )) lim f (x ) * lim g(x )x a5.) limx ax ax af (x )f (x ) limif lim g(x ) 0 x ag(x ) lim g(x ) x ax a6.) lim (f (x )) nx a( limx a)f (x )nwhere n is a positive integer7.) lim c cx a8.) lim x ax a9.) lim x n a n where n is a positive integerx a10.) limnx n a where n is a positive integer. If n is even, we assume that a 0 .11.) limnf (x ) n lim f (x ) where n is a positive integer. If n is even, we assume that f (x ) 0 .x ax ax a8
Example 1Calculate the following limits.lim 3 x 2 5 x 9x 2limx 3()x2 x 32x 1x 2 4 x 12limx 2x 2 2xlimx 8x 2 6x 4x 89
Direct Substitution PropertyExample 2Find the following limits.lim 2x 2 3 x 4 x 2()limx 9 x 2x 3lim2( 3 h) 18 hx 422h 0Theorem 110
Example 3Determine if the following limits exist. 4 x 1 if x 4lim f (x ) where f (x ) 2x 4 x 1 if x 4limx 44 x4 xTheorem 2Squeeze Theorem11
Example 4Use the squeeze theorem to find the following limits. 4 x 2 2x lim sin 2 x x 03 1 lim x 2 2x cos x 2 x ()12
SECTION 2.4 – THE PRECISE DEFINITION OF A LIMITDefinition (Limit – Precise Definition)Definition (One Sided Limit – Precise Definition)Definition (Infinite Limits – Precise Definition)13
Example 1Use the precise definition to prove the following statements.lim (7 x 27 ) 8x 5()lim x 2 3 x 2x 2()lim x 3 2x 2 3 x 4 2x 114
Example 2Prove the following statement by using the precise definition of an infinite limit.2lim4 x 4x 415
SECTION 2.5 – CONTINUITYDefinition (Continuous at a number)Example 1 x Find all of the discontinuities of f (x ) 3 x (x 3 )2 if TION 4.1 – MAXIMUM & MINIMUM VALUESDefinition (Absolute Max/Min & Local Max/Min)Example 1Find the absolute max, absolute min, local max(s), local min(s), max value, and min value of thefollowing function.58
The Extreme Value TheoremFermat’s TheoremExample 2Find the absolute max/min of the following functions.2f (x ) (x 2) 1g(x ) 1 x 259
Definition (Critical Number)The Closed Interval Method60
Example 3Find the extreme values of the functions on the given intervals.f (x ) x x on 0, 4[ ](g(x ) x 2 2xh(x ) )3[]on 2, 1[ ]ln xon 1, 3x261
SECTION 4.2 – THE MEAN VALUE THEOREMRolle’s TheoremThe Mean Value TheoremTheorem 5Corollary 762
Example 1Verify that the functions satisfy the hypotheses of Rolle’s Theorem on the given interval. Thenfind all numbers c that satisfy the conclusion of Rolle’s Theorem.f (x ) x 3 3 x 2 7 on 0, 3[ ] π 3π g(x ) ln(sin x ) on , 4 4 Verify that the functions satisfy the hypotheses of the Mean Value Theorem on the giveninterval. Then find all numbers c that satisfy the conclusion of the Mean Value Theorem.h(x ) 2x 2 3 x 1 on 0, 2[ ]k (x ) xx2 1[]on 1, 163
Example 2Show that the equation x 101 x 51 x 1 0 has exactly one real root.Show that the equation x 3 x 2 x 1 0 has at most one real root.64
SECTION 4.3 – HOW DERIVATIVES AFFECT THE SHAPE OF THE GRAPHIncreasing/Decreasing TestFirst Derivative Test65
Example 1Find where each of the following functions is increasing/decreasing and the localmaxima/minima.f (x ) x 3 6 x 2 15 x 4g(x ) x 1 xh(x ) e 2 x x266
Definition (Concave Up & Concave Down)Concavity TestDefinition (Inflection Point)Second Derivative Test67
Example 2Find the intervals of concavity and inflection points of the following functions.f (x ) x 3 6 x 2 15 x 4g(x ) x 1 xh(x ) e 2 x x268
SECTION 4.4 – INDETERMINATE FORMS AND L’HOSPITAL’S RULEDefinition (Indeterminate Forms)L’Hospital’s Rule69
Example 1Find the limits.1 cos xlim x 0x2 xe 4x 1 4xlim x 0x2limx e x 1 4x x2lim x 3 e x x 70
Definition (Indeterminate Products & Differences)StrategyDefinition (Indeterminate Powers)Strategy71
Example 2Find the limits.x1lim x 1x 1 ln xlim x 2 ln x x 0 lim xx 111 x lim (tan x )x π2cos x 72
SECTION 4.5 – SUMMARY OF CURVE SKETCHINGChecklist Of Important Info Needed To Sketch A Curve73
Example 1Sketch the following curve.y x 4 3x 3 3x 2 x74
Example 2Sketch the following curve.x2y x 875
Example 3Sketch the following curve.ππy 4 x tan x, x 2276
SECTION 4.7 – OPTIMIZATION PROBLEMSStrategyFirst Derivative Test For Absolute Extreme ValuesDo Problems 4, 12, 18, & 26 in class.77
SECTION 4.8 – NEWTON’S METHODWhat is Newton’s Method used for?How does Newton’s Method work?78
Example 1Use Newton’s Method to find the root of the equation x 5 x 4 3 x 2 3 x 2 0 in the interval1, 2 correct to six decimal places.[ ]Example 2Use Newton’s Method to find the absolute maximum value of the function f (t ) cos t t t 2correct to eight decimal places.79
SECTION 4.9 – ANTIDERIVATIVESDefinition (Antiderivative)Theorem 1.Example 1Find the general antiderivative for the following functions.f ′(x ) 3 x 2 4 x 3g′(x ) 3e x csc x cot xh′(x ) 5 x 2 x 380
Example 2For each of the following, find the particular antiderivitive.f ′(t ) 2t 3 sin t with f (0 ) 5g′′(x ) 2x 3 3 x 2 4 x 5 with g(0 ) 2 and g(1) 081
TABLE OF ANTIDERIVATIVES82
SECTION 5.1 – AREAS AND DISTANCESThe Area ProblemExample 1Estimate the area under the curve y x 3 1 from 0 to 2.83
Definition (Area)NotationExample 2Find the area under the curve y x 3 1 from 0 to 2.Find the area under the curve y x 2 x from 1 to 3.84
The Distance ProblemExample 3A radar gun was used to record the speed of a runner. Use the data to estimate the distance therunner covered during those 5 seconds.time (s)velocity (ft/s)00.54.6717.341.58.8629.732.533.544.5510.22 10.51 10.67 10.76 10.81 10.8185
SECTION 5.2 – THE DEFINITE INTEGRALDefinition (Definite Integral)Example 1nExpress limn sin x xi[]as a definite integral on the interval 0, π .i 1Theorem 386
Theorem 4Example 2 (3Evaluate the integral by interpreting it in terms of area;)9 x 2 dx . 3Equations Involving Sums of Powers of Positive Integers (See Appendix E)87
Example 3Evaluate the Riemann sum for f (x ) x 3 1 by taking sample points to be right endpoints and2a 0 , b 2 , and n 8 , then evaluate (x3) 1 dx .0.88
Example 4Evaluate the Riemann sum for f (x ) x 2 x by taking sample points to be right endpoints and3a 1 , b 3 , and n 6 , then evaluate (x2) x dx .189
The Midpoint RuleExample 51Use the Midpoint Rule with n 5 to approximate 1 x 3 dx .0Properties of the Definite Integral90
Example 6 (4 2 3Evaluate the following integral)9 x 2 dx .391
SECTION 5.3 – THE FUNDAMENTAL THEOREM OF CALCULUSExample 1xif 0 x 2 3 (x 3 )2 if 2 x 4 Let g(X ) f (t ) dt where f (x ) . 2x 10if4 x 6 0 x 8if 6 x 8Find the values of g(0 ) , g(1) , g(2) , g(3 ) , g(4 ) , g(5 ) , g(6 ) , g(7 ) , and g(8 ) then sketch a roughgraph of g(x ) .x92
The Fundamental Theorem of Calculus (Part 1)Example 2Find the derivative of each of the following functions.g(x ) x 1 t 4 dt1x( )h(x ) tan t 2 dtπk (x ) x2 0t1 t3dtThe Fundamental Theorem of Calculus (Part 2)93
Example 3Evaluate the following integrals.4 (1 6x 48 x ) dx229 e03πx 2 dxx 2 (2t 3 sin t ) dtπ2The Fundamental Theorem of Calculus94
SECTION 5.4 – INDEFINITE INTEGRALS AND THE NET CHANGE THEOREMDefinition (Indefinite Integral)Table of Indefinite Integrals95
Example 1Evaluate the following integrals. 1 x45 dx (2 cos t sec t ) dt2 2 x dxThe Net Change TheoremExample 2A particle moves along a line with a velocity function of v (t ) t 2 t , where v is measured inmeters per second. Find the displacement and the distance traveled by the particle during thetime interval 0, 5 .[ ]96
SECTION 5.5 – THE SUBSTITUTION RULEThe Substitution Rule (U-Substitution)Example 1Evaluate the following integrals.x 2 x 2 4x dx sin x cos(cos x )dx tan x ln(cos x )dx97
Substitution Rule for Definite IntegralsExample 2Evaluate the following integrals.1 y(y2) 14dy01 v2( )cos v 3 dv0π4 (1 tan t )3sec 2 t dt098
Integrals of Symmetric FunctionsExample 3Evaluate the following integrals.2 (14 x ) dx2 227 27sin xdx1 x 299
1 SECTION 2.1 - THE TANGENT AND VELOCITY PROBLEMS Tangent Problem Definition (Secant Line & Tangent Line) Example 1 Find the equation of the tangent lines to the curve 1 3x 2 y at the
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Chính Văn.- Còn đức Thế tôn thì tuệ giác cực kỳ trong sạch 8: hiện hành bất nhị 9, đạt đến vô tướng 10, đứng vào chỗ đứng của các đức Thế tôn 11, thể hiện tính bình đẳng của các Ngài, đến chỗ không còn chướng ngại 12, giáo pháp không thể khuynh đảo, tâm thức không bị cản trở, cái được
SECANT. Line c intersects the circle in only one point and is called a TANGENT to the circle. a b c TANGENT/RADIUS THEOREMS: 1. Any tangent of a circle is perpendicular to a radius of the circle at their point of intersection. 2. Any pair of tangents drawn a
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