8+? capm ;v;w7`dWW A7 HP @HxjCDCu :? B Hh @CCu Y7l 7 77l777ǐ7(7ǐ7(77777h7z y = f(x)7l7ǰ7777ǐ7l7 (777 7Ǥ77Ǡ7' j7H H CDCuCCu?JO A7 HP @HxjBCu ?  lBy R R R @HCDCuCCu?'7 kH@RL 770CDC9CDC?}Lm<@] c17t7x7ĪUUUUHHHHCDCuB?5%F?5%FchI  aW`7@W_@W7@ 70@7 @@7@W_T7@W_bBFCu Ĭ  a+hW`7@W_@W7@ 70@7 @@7@W_T7@W_bCCu {  CpH478777hUUUUH4@HCDB kp  D7``H@@H@ CDC  ?*U  E<CDCw b'h oGGHH7BHC9BHC? '7 qHHH7CC9CC? }L=  a10H UUU0HCDCuB()CCuBCuAA@}Ln=?    m7`GN{N|N CDCwCDCu?    nм7UUUUG CDCuCDB? ch#  HBHC+   I777ǜUUUURGxHHCC4 bh  p770GpI @PBHC+BFCu? @   f(a+h) - f(a)_@W7@ 70@7 @@7@W_T7@W_bCC4CCu? 6b'  s0G G @@G7BHC+CC4?' t777ȪUUUUGtRh@ C g&C+B@C+?  J0G0HCC+ b  hW`7@W_@W7@ 70@7 @@7@W_T7@W_bCC+BHC+?խkZֵ    f(a+h) - f(a)_@W7@ 70@7 @@7@W_T7@W_bCC+CC4?II+  w7P70Yl CCuCC+? 9yY m2 ![\st  h = T0TTW\ D4 CHa44 %WZ@4@6@6@6TTWWY4ͤͤ@pФLength(Segment h) = mWaW]4T cOHH!mWa WWV&TcTccHH!TTTTT0cOT0cO WW[8WbpNWb KKWYWYWYWa87 m7UUUX pRHH7 f(a+h) - f(a) = T0TTW\ D4 CHa44 %WZ@4@6@6@6TTWWY4ͤͤ@pФ Length(Segment f(a+h) - f(a)) = WaW]4T cOHH!mWa WWV&TcTccHH!TTTTT0cOT0cO WW[8WbpNWb KKWYWYWYWa17 m8b9hpGHqoqno n {D:f(a+h) - f(a)}{h} = T0TTW\ D4 CHa44 %WZ@4@6@6@6TTWWY4ͤͤ@pФ2Length(Segment f(a+h) - f(a))/Length(Segment h) = cOHH!mWa WWV&TcTccHH!TTTTT0cOT0cO WW[8WbpNWb KKWYWYWYWa