7. (24 points) Solve 3 of the 5 first order equations. For each equation, state the method you used and show your work. (a) y' = 3 + (c) dy + y = " , y(2) =8 (b) dy ! = (d) (3ry te ) dx + (x3 + re - 2y) dy = 0 (e) y' = e (4x - 5), y(1) =0 8. (2 points) How do you feel about your understanding of 1st order ODEs