Question

A Study suggests that the extinction rate rt) af manne anmal families duing the Pha eroa0e Eon can be modeled by the font on ne-31 30 t-asa for @ s s 546. w ee r er me e apsed in m t years) since the begining of the eon 544 miltion years ago. Thus, t-544 refers to the presen tome,540 is 4 million years age, and so on. Compute the average of Rv and iw with N-10 t estimate the total number of falies that became esinct in the periods 200 st s 400. (Round your answer to three decimal places) famlies A study suggests that tho extinction rate r(f) or marine aan al farelies 6ring es phasar oc Eon can be modo ed by the ranet on re-noce , 262) for 0 s r s 544, nhere t is t me elapsed Cnmmons of years) since the beginning of the ean 544 milion years ago. Thus, t . 544 refers to the present tme, t·540-4 maan years ago, and so en croute the avenge o, aw and sen estimate the total number of families that became extinct in the periods 200 sts 4 (Round your answer to three decimal places.)

Answer 1

iten 1(t)= 31 30 t2Ga lwe want, RutLw N-lo, 005 400 10 l0 200 220240 a60 2s0 300 S20 340 60 380 400 nt)긔20 645 GL79 6-2355-99 5-7구 556 5.33 5.199 5.03 487 y.72 t+262 人N = 20[6.254 6.kp9 t 6.21st s.99 tr뀨 .+ s. 564 s-324 5.199 +5.01十4.87