x a 8. Continuity at a if lim f x f a lim f x x a 9 7 10 y 6 TYPES OF DISCONTINUITY 7 11 y 4 5 4 4 3 -6 3 2 -5 -4 -3 -2 -1 2 1 1 2 3 1 x 4 5 -1 1 Point or removable 2 3 Jump 5 2 y 1 1 -1 -2 2 x 3 -2 -1 x 1 2 -1 -3 -4 -5 x 4 12 y 3 2 1 6 5 -1 x a -2 Infinite Oscillating Basic Rules constant d d d 1. c 0 Constant 2. c f ( x) c f ( x) dx dx dx multiple d n d d d Sum & 3. x nx n 1 power 4. u v u v dx dx dx dx Difference d d v uu v d d d d u dx dx Quotient 5. (uv ) v uu v Product 6. 2 dx dx dx dx v v 1 7. f 1 x Inver se f f 1 x d d d 8. f g x f u g x where u g x Quotie nt dx dx dx WHERE THE DERIVATIVE DOES NOT EXIST 26 27 y 7 28 y 6 2 4 1 2 x 1 2 Corner -1 Discontinuity 1 2 3 4 -1 x 5 Cusp y 1 -1 1 3 -1 29 y 2 5 1 -2 WWW.MATHGOTSERVED.COM Exponential and Logarithm ic Functions d 1 du d 1 du 20. ln u 21. log a u dx u dx dx u ln a dx d u du d u du 22. e eu 23. a a u ln a dx dx dx dx d 1 du d u du 24. u 25. u dx dx u dx 2 u dx 2 Linearization: L x f a f a x a x -1 x 1 1 -2 Vertical tangent ARITHM ETIC OF INFINITY 2. n 1. 2. n 3. 0 4.0 3. 0 Ind. 1. / Ind. 1. Ind. 2. n / 0 2. n 3. / n 3. n 4. n / 0 5. n / 0 4. n n 0 1 6. n / 0 1 5. n n 0 7. 0 / 0 = Ind. 1. 1 sin 1 1. 2. n Trig 3. 0 Ind 4. 0 0 2. 1 cos 1 power 5. n 6. 1 Ind 7. 0 0 Ind. 1. LIMITS(1) sin x sin x sin 2 x 1. lim 1 2. lim 0 3. lim 0 x0 x x0 x x x sin ax sin ax bx a cos x 1 4. lim 0 5. lim lim lim x0 x 0 x 0 x 0 x sin bx sin ax b bx 6.lim f x L exists If and only if lim f x lim f x L x a xa xa 7. f x is cont a if lim f x f a Trigonom etric F unctions d du d du 8. sin u cos u 9. cos u sin u dx dx dx dx d du d du 2 2 10. tan u sec u 11. cot u csc u dx dx dx dx d du d du 12. sec u sec u tan u 13. csc u csc u cot u dx dx dx dx Inverse Trigonom etric F unctions d 1 du d 1 du 14. sin 1 u 15. cos 1 u 2 dx dx dx 1 u 1 u 2 dx d 1 du d 1 du 1 1 16. tan u 17. cot u dx 1 u 2 dx dx 1 u 2 dx d 1 du d 1 du 18. sec 1 u 19. csc 1 u 2 2 dx dx u u 1 dx u u 1 dx 30.Mean Value Theorem: If f is cont on a, b on and diff on a, b f b f a exist a c a, b s.t. f c ba f b f a 31.Rolle's Theorem : MVT where f c 0 ba 32. IntermediateValueTheorem. : If f is cont on a, b and d f a , f b then there is a c a, b st f c d Definition of Derivative f x h f x 33. f x lim h 0 h f x f a 34. f a lim x a xa DERITAVITIVES(2) LIMIT LAWS 35. f x Average rate of change = Slope of Secant line f b f a ba 11. LRAMn = w f x1 f x2 .. f xn1 or w1 f x1 w2 f x2 .. wn1 f xn1 1. xn dx xn1 C 2. 1 dx ln x C 3. 1 dx ln ax b C 4. ekx dx ekx C x ax b n 1 a k 12. RRAMn = w f x2 f x3 f xn or w1 f x2 w2 f x2 .. wn1 f xn au cos kx sin kx x 5. a dx C 6. sin kx dx C 7. cos kx dx C x x x x x x ln a k k 13. MRAMn = w f 1 2 f 2 3 f n1 n or 2 8. sec x tan x dx sec x C 9. sec x dx tan x C 10. csc x cot x dx csc x C 2 2 2 x2 x3 xn1 xn x1 x2 w1 f w2 f 2 wn1 f 2 1 b 2 15. Average Value of f av f fave f x dx a b a b a Note: w and applies only for equal sub intervals n b x w 1 16. FTC I: f x dx f b f a 17 FTC II i f t dt F x 14. T= y1 2y2 2yn1 yn or w1 y1 y2 w2 y2 y3 ... n a a 2 2 APPROXIMATING AREA 20. Area = f x xright xleft 21. Vol of rev = xright xleft top f x down dx or Area = ytop ydown f y f y dy left right f x a f x a dx Vol Cross sect.= A x dx top down 2 2 b a ii d d f t dt f x iii ) f t dt f g x g x h g x h x dx a dx hx x g x 18.Integration by parts: vdu uv vdu 19.Integration by substitution: use LIPET to select u f g x g x f u du INTEGRALS (3) ANTIDIFFERENTION (INTEGRATION) RULES 1. Derivative of f at a: 2. Critical Number c Verbal Description Symbolic The instantaneous rate of change of the function at a or the slope of the tangent line at a f a lim h 0 df dx Graphical y f a h f a xa a h c a, b where A number c in an open (a, b) interval where the derivative is zero or does not exist x f c 0 f c 0 or f c DNE f c DNE y y -1 x 1 -2 2 y 6 5 4 1 1 -2 7 2 2 3 -1 Corner 2 x 1 1 2 -1 1 Discontinuity y 2 -1 1 -1 4. Concavity Test f’: Is a point where f’ changes from increasing to decreasing or decreasing to increasing f’’: Is a point where f’’ changes from positive to negative or negative to positive Motion definitions and Equations s t x b x a v t s t 8. Velocity: A Vector quantity that represents the rate of change of position represents the rate of change of velocity Reciprocal 1 csc x 1 cos x sec x 1 tan x cot x 1 sin x 1 sec x cos x 1 cot x tan x sin x csc x 0 sin x 0 cos x 1 tan x 0 csc x Und. 1 2 3 1 2 sec x 1 2 cot x Und. 2 2 3 3 3 2 2 1 2 3 2 2 2 2 1 2 2 3 1 2 2 3 2 2 1 3 3 Und. min f c x x -2 max f c c y y f x 0 f x is CU b) If f c 0 on I Concave Up f x is CD on I Concave Down x x y f ' s from to or to f x ' s from + to or to Point of Inflection c x f c ' s from + to - f c is a POI v t b a x f x 0 f x is CU f ' s from CU to CD or CD to CU d t x b x a v t dt 7. Distance: A scalar quantity that represents total movement regardless of sign b a Speed v t 11. Given initial position s a C the final position is given by s b s a s t dt b a is given by Sine Curve Cosine Curve y y 1 1 -2π -3π/2 -π -π/2 π/2 π 3π/2 2π x -2π -3π/2 -π -π/2 π/2 π 3π/2 2π x -1 -1 y y y 1 0 f c c f x is CU on I Quotient Pythogorean sin x sin 2 x cos 2 x 1 tan x cos x tan 2 x 1 sec 2 x cos x cot x cot 2 x 1 csc2 x sin x 4 1 y b) 9. Speed: A scalar quantity that represents the rate of covering distance 30 45 60 90 6 a) If f c 0 on I a t v t s t 10. Acceleration: A vector quantity that f ' c is a max f: Is a point where the concavity of f changes 6. Displacement: A Vector quantity that represents the net change in position f c b) If f c ' s from +to a) If the second derivative is positive on an interval I then the function is Concave Up on I b) If the second derivative is negative on an interval I the function is Councave down on I 5. Point of Inflection at c a) 2 Vertical tangent y f ' c is a min x LIMITS (1) 3. First Derivative Test 5 -1 x 1 Cusp a) If f c ' s from to 4 1 2 a) If the first derivative changes from negative to positive at c then the function has a relative minimum at c b) If the first derivative changes from positive to negative at c then the function has a relative maximum at c 3 y VOCABULARY (4) Term y x x x Linear y x x quadratic y x 2 y Cubic y x 3 Radical y y y y x 1 Und. 0 x x x Logarithmic y ln x Exponential y e x Absolute value y x AP Calculus Survival Kit x circular y 9 x 2