Solve the problem.The shape of a parabolic satellite dish can be described by the equation y = 8x2. Where should the microphone be placed?
A. (32, 0)
B. 
C. 
D. 
Answer: D
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Find the composition. If f(x) = 6x2 + 5x and g(x) = 3x, find (f ? g)(x).
A. 18x2 + 15x B. 6x2 + 8 C. 54x2 + 15x D. 18x3 + 15x2
Solve the problem.Money magazine reports that the percentage of trading days in which the Dasdaq loses or gains 2% or more has been increasing since 1995 indicating more volatility in the Dasdaq. Use a graphing utility to fit an exponential function to the data. Predict the percentage of trading days in 2001 having such swings in value.
A. y = 1.278e0.611x, 92 days B. y = 2.353e0.610x, 91 days C. y = 1.669x1.706, 46 days D. y = 1.849e0.531x, 76 days
Convert to a logarithmic equation.
2 = 
A. 
= 
B. log11/9
= 2
C. log11/92 = 
D. log2
= 
Use an inverse matrix to solve the given system of equations. -4x - 4y - z = -43 x - 4y + 5z = 34 4x + y + z = 37
A. (7, 7, 2) B. (-7, 2, 14) C. (7, 2, 7) D. No solution