Use the property of proportions to determine whether the pair of fractions is equivalent.
and 
A. equivalent
B. not equivalent
Answer: B
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Find the unit tangent vector of the given curve.r(t) = (4 sin3 2t)i + (4 cos3 2t)j
A. T = (4 cos 2t)i - (4 sin 2t)j B. T = (4 sin 2t)i - (4 cos 2t)j C. T = (24 sin 2t)i -(24 cos 2t)j D. T = (sin 2t)i - (cos 2t)j
Provide an appropriate response.Derive a series for ln(1 + x2) for x > 1 by first finding the series for 
and then integrating. 
A. ln x + 
B. 2 ln x + 
C. ln x + 
D. 2 ln x + 
Find a quadratic function that best fits the data. Give answers to the nearest hundredth.
A. y = 5.66x2 - 39.888x + 99.29 B. y = 1.40x2 + 27.15x + 14.44 C. y = -0.03 + 3.78x - 6.74 D. y = -1.40x2 + 27.15x - 14.44
Solve the problem. Unless stated otherwise, assume a commission of $5 per bond.Claire Hummell bought 6 Hecht Company (HCO) bonds maturing in 2032. According to the bond table, the last price is listed as 98.375. Find the total purchase price.
A. $5016.25 B. $5932.50 C. $5872.50 D. $5902.50