Find a rectangular equation for the plane curve defined by the parametric equations.x = t3 + 1, y = t3 - 15; -2 ? t ? 2
A. y = x3; for x in -3 ? x ? 1
B. y = - x2; for x in -4 ? x ? 4
C. y = - x - 16; for x in -7 ? x ? 9
D. y = x - 16; for x in -7 ? x ? 9
Answer: D
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Solve the problem.A country is made up of four regions A, B, C, and D. The population of each region, in thousands, is given in the following table.
According to the country's constitution, the congress will have 40 seats, divided among the four regions according to their respective populations. Find the standard quota for each region. Round to the nearest hundredth.
A. A, 9.14; B, 11.25; C, 8.63; D, 5.31 B. A, 9.14; B, 11.82; C, 8.63; D, 10.98 C. A, 9.14; B, 11.25; C, 8.63; D, 10.98 D. A, 9.14; B, 11.25; C, 6.23; D, 10.98
Solve the problem.Volatility refers to:
A. the amount of uncertainty or risk about changes in a security's value B. the likelihood that a security's value will only decrease in value C. a security's value as compared to an industry benchmark D. the likelihood that a security's value will only increase in value
Provide an appropriate response.Indicate whether the following statement is true or false. If every element of a 
matrix is multiplied by -3, the determinant of the new matrix is -3 times the determinant of the original matrix.
A. True B. False
Solve the double inequality.14 < 5x + 4 ? 34
A. 2 ? x ? 6 B. 2 ? x < 6 C. 2 < x ? 6 D. 2 < x < 6