Solve the rational inequality. Express the solution in interval notation.
> 0
A. (1, ?)
B. (-?, -7) ? (1, ?)
C. (-7, 1)
D. (-?, -7)
Answer: B
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You are driving up a straight mountain road which has a slope of 58.00 feet per mile. If you are initially at an altitude of 725 feet, what is your altitude after you drive 4 horizontal miles? ?
A. 957.66 feet B. 787.00 feet C. 957.00 feet D. 787.27 feet
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 
tan (sin-1 u)
A. 
B. 
C. 
D. 
Solve.The highest point at at oil drilling operation is the top of the 78-foot-high oil drilling rig. The lowest point the drill head has reached so far is -230 feet. How far above the drill head is the top of the oil drilling rig?
A. 308 ft B. -230 ft C. 152 ft D. -308 ft
Find the standard-form equation of the hyperbola whose graph is shown.
A. 
- 
= 1
B. 
- 
= 1
C. 4x2 - 5y2 = 1
D. 16x2 - 25y2 = 1