Find a rectangular equation for the plane curve defined by the parametric equations.x = 4 sin t, y = 4 cos t; 0 ? t ? 2?
A. y = 
= 16; for x in -? < x < ?
B. x2 + y2 = 16; for x in -4 ? x ? 4
C. y = x2 - 9; for x in -2 ? x ? 2
D. y2 - x2 = 16; for x in -? < x < ?
Answer: B
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Assign as indicated using the Huntington-Hill method.A police chief wishes to assign ten police officers to three regions. The numbers of incidents reported during an average month in the three regions are as follows:Region 1: 145Region 2: 131Region 3: 89Help the police chief assign the officers to each region. Begin by giving each region one police officer.
A. Region 1: 5; Region 2: 4; Region 3: 1 B. Region 1: 5; Region 2: 3; Region 3: 2 C. Region 1: 4; Region 2: 4; Region 3: 2 D. Region 1: 4; Region 2: 3; Region 3: 3
Simplify the expression by combining any like terms.5.2w - 1.4 - 3.8w + 4 + 2.6w
A. 4w + 2.6 B. 4w + 5.4 C. 11.6w + 2.6 D. 4w - 2.6
Graph the function.f(x) = x2 - 2
A. 
B. 
C. 
D. 
Solve the problem.Write an expression for the area of the shaded region and express it in factored form.
A. (11y + 10)(11y - 10) B. (11y + 20)(11y - 20) C. (11y - 10)2 D. (11y - 20)2