Answers
1i. 3+5i, 3-5i
1ii. roots: -2+i, -2-i, -2, 2 a= -16, b= -20
2ii. b) 0.75
3i. -4/3
3ii. a) 20.5, -(20.5)
3iii. asymptote: x= -2
4ii. k=0
4iv.2<x<3 and 3<x<4
5i There will be too many stratas.
5ii.Refer to your notes.
6i.p-value=0.0949, reject h0
7i. 0.32
7ii. 0.92
7iii. 0.457
7iv. 0.15
7v. <0.15
8i. 0.6
8ii. 0.1
8iii. 0.35
9i. 0.681
9ii. 0.234
9iii. 0.362
10ii. a)0.986 b)0.990
10iii. F=c+dv^2, It has a stronger positive linear model as
compared to F= a+bv
10iv. v= 36.7. Drag force is always dependent on speed.
11i. 0.0655
11ii. 32 seconds
11iii. 0.192
11iv. 0.235
11v. 0.959