Question

S-15 PM Wed May 6 Select the correct answer for each question. You must show all work. 1. Which equation does the function y = e-6 satisfy? A. Y" – 3y' + 42y = 0 B. y" - y' - 42y = 0 C. y" - y' + 42y = 0 D. Y" + y' – 42y = 0 E. y" + y' +42y = 0 2. Use Euler's method with step size 0.25 to estimate y(1), where y(x) is solution of the initial-value problem. Please round your answer to four dr places. YOUR thod: y (xth

Answer 1

BY yeyote y-ve -GE yce » 8=-6 A) y" – 34' they so rede - 3727474284950 e(92-38*42] =0 ax'+bx+6=0 x-bb-nas 29 8²-30 +42=0 0= { + Visac (not satisfied) e) y'_y'-42950 .-427O (8- ) (v*).0 8.7, 87-6( sadtisified) y cy' + üzy - 0 prxtury so my? į tikilgan (not satisfied) d) y"+y' - 429=0 82 +8-42 -0 =r=6,- I not satisded yty' + 4 2y 0 gi + v +42= 0 , r = { ¢ istoa (vot satisfied) only ③ function satisfig geeft