Solve the problem.A nuclear cooling tower cross section is a hyperbola having a diameter of 56 ft at the center. The distance between the two foci is 100 ft. What is the equation for the hyperbola?
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: C
Mathematics
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Graph the function by plotting points.f(x) = x2 - 3
A. 
B. 
C. 
D. 
Mathematics
Determine the slope of the line.
A. -3 B. -5 C. 1 D. -7
Mathematics
Find an equation for the line with the given properties.The solid line L contains the point (4, 3) and is perpendicular to the dotted line whose equation is 
Give the equation of line L in slope-intercept form.
A. y = 
x + 5
B. y - 3 = 2(x - 4)
C. y = - 
x + 5
D. y - 3 = - 
(x - 4)
Mathematics
Solve the problem. Round your answer to the nearest tenth.If $2000 is invested in an account that pays interest compounded continuously, how long will it take to grow to $4000 at 9%?
A. 10.8 years B. 6.2 years C. 7.7 years D. 8.0 years
Mathematics