Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 1 + 2x
B. Q(x) = 
C. Q(x) = 2x
D. Q(x) = 1 + 
Answer: B
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For the given data value, find the standard score and the percentile.A data value 1.3 standard deviations above the mean.
A. z = -1.3; percentile = 9.68 B. z = 1.3; percentile = 2.2 C. z = 1.3; percentile = 90.32 D. z = 0.13; percentile = 55.96
State the period of the function and graph.cos 
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. 4x - 8y + 2z = -2 B. 4x + 8y + 4z = 16 C. 4x - 8y + 2z = 16 D. 4x + 8y + 4z = -2
Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
If the Borda count method is used to determine the winner, is the majority criterion satisfied?
A. Yes B. No