Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 4
; 
B. 4; 
C. 4
; 
D. 4; 
Answer: A
Mathematics
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Graph the inverse function.y = sec-1 2x
A. 
B. 
C. 
D. 
Mathematics
Solve the initial value problem and leave the solution in implicit form.u'(x) = sec u sin 
, u(8?) = ?
A. sin u = 4 - 4 cos 
B. sin u = 
- 4 cos 
C. sin u = 
- 
cos 
D. sin u = 4 + 4? cos 
Mathematics
Factor by grouping.15x4 + 2x2 - 8
A. (3x2 - 2)(5x2 + 4) B. (3x2 + 1)(5x2 - 8) C. (15x2 - 2)(x2 + 4) D. (5x - 4)(3x + 2)
Mathematics
Find all solutions to the equation. Express each result in radians.sin 4x = 
A. 
+ 
, 
+ 
B. 
+ n?, 
+ n?
C. 
+ n?, 
+ n?
D. 
+ 
, 
+ 
Mathematics