Evaluate the improper integral or state that it is divergent.
A. Divergent
B. 13
C. -13
D. 0
Answer: A
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (-15, 0), (15, 0); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve.Find the work done by the force of F(x) newtons along the x-axis from x = 0 to x = 4 meters given that 
A. ? 1.273 J B. ? 6.366 J C. ? 5.093 J D. ? 1.621 J
Multiply.(-3.1)(-16.6)
A. 19.7 B. -13.5 C. -19.7 D. 51.46
Solve the problem.An oil well off the Gulf Coast is leaking, with the leak spreading oil over the surface of the gulf as a circle. At any time t, in minutes, after the beginning of the leak, the radius of the oil slick on the surface is 
Find the area A of the oil slick as a function of time.
A. A(r(t)) = 16?t B. A(r(t)) = 16?t2 C. A(r(t)) = 16t2 D. A(r(t)) = 4?t2