Solve.A nuclear cooling tower cross section is a hyperbola having a diameter of 50 ft at the center. The distance between the two foci is 96 ft. What is the equation for the hyperbola?
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: D
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Graph the function, then find the extreme values of the function on the interval and indicate where they occur.y = 
+ 
on the interval -? < x < ?
A. 
Absolute minimum is: 5 on the interval (-2, 3]
B. 
Absolute minimum is: 6 on the interval (-2, 3]
C. 
Absolute minimum is: 4 on the interval (-3, 2]
D. 
Absolute minimum is: 5 on the interval (-3, 4]
The graph of a trigonometric function of the form y = A sin (Bx) or y = A cos (Bx) for B > 0 is given. Determine the equation of the function represented by the graph.
A. y = 4 cos 2x
B. y = 2 cos 
x
C. y = 2 cos 4x
D. y = 4 cos 
x
Find the indicated term using the given information.a = 4, d = -1; a35
A. -31 B. 38 C. 39 D. -30
Evaluate the factorial expression.
A. 1 B. 0 C. 10 D. 45