Solve the equation for ? if 
. Give your answer in degrees.
?
?
A. 0°
B. 30°, 150°
C. 90°, 180°
D. 0°, 180°
E. 240°, 300°
Answer: D
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Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 5.5 in.; d = 9.5 in. B. w = 6.5 in.; d = 10.5 in. C. w = 6.5 in.; d = 8.5 in. D. w = 4.5 in.; d = 10.5 in.
Find the exact solutions to the quadratic equation in the complex numbers.5x2 + 55 = 0
A. ±
B. ± i
C. ±11i
D. 27.5
Provide an appropriate response.Explain the behavior of the graph of f(x) as it approaches its vertical asymptote.f(x) = 
A. Approaches -? from the left, approaches ? from the right B. Approaches -? from the left and the right C. Approaches ? from the left, approaches -? from the right D. Approaches ? from the left and the right
Sketch the graph of the function. Describe how the graph can be obtained from the graph of a basic exponential function.f(x) = 2 - 5-x
A. Shift y = 5x up 2 unit(s), reflect across
the y-axis, and reflect across the x-axis
B. Shift y = 5x up 2 unit(s), reflect across
the y-axis, and reflect across the x-axis
C. Reflect y = 5x across the y-axis, reflect
across the x-axis and shift up 2 unit(s)
D. Reflect y = 5x across the y-axis, reflect
across the x-axis and down 2 unit(s)