Find an equation for the hyperbola described.Center at (6, 7); focus at (-1, 7); vertex at (5, 7)
A. (x - 7)2 - 
= 1
B. 
- (y - 6)2 = 1
C. 
- (y - 7)2 = 1
D. (x - 6)2 - 
= 1
Answer: D
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Find the most general antiderivative.
dy
A. 
y3/2 + 4
+ C
B. 
- 
+C
C. 
y3/2 - 4
+ C
D. 
y3/2 + 
+ C
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
More than 1 car away from the mean
A. 68 people B. 34 people C. 16 people D. 32 people
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cos (cot-1 u)
A. 
B. 
C. 
D. 
Simplify.-11 + 3 - (-18) + 8
A. 18 B. -24 C. 2 D. -18