Graph the given equation, indicating vertices, foci, and asymptotes (if it is a hyperbola).4x2 - 9y2 = 36
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A bird flies from its nest 4 km in the direction 3° north of east, where it stops to rest on a tree. It then flies 7 km in the direction 3° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the telephone pole located?
A. (-2.996, -0.1570) B. (3.995, 0.2093) C. (2.970, 7.494) D. (-6.990, -0.3664)
Solve the problem.If the shaded figure is a gnomon to the white rectangle, then x =
A. 8. B. 10. C. 6. D. 12. E. none of these
Find an equation of the tangent line at the indicated point on the graph of the function.s = h(t) = t3 - 16t + 4, (t, s) = (4, 4)
A. s = 32t - 124 B. s = 36t - 124 C. s = 4 D. s = 32t + 4
Use the sum-of-the-years'-digits method of depreciation. Round to the nearest dollar.Find the depreciation in the third year for a power generator which costs $15,000, has a life of 12 years, and an estimated scrap value of $1500.
A. $576 B. $577 C. $1923 D. $1731