Find the first five terms of the infinite sequence whose nth term is given.an = (-1)n - 1 (
)
A. - 2, 1, 
, - 
, 
B. 2, 1, 
, 
, 
C. 2, - 1, 
, - 
, 
D. - 2, 1, - 
, 
, - 
Answer: C
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Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Iy about the y-axis, where r(t) = 
i + 3tj, 0 ? t ? 1; 
A. Iy = - 
B. Iy = 
C. Iy = - 
D. Iy = 
Solve the problem.Forensic scientists use the lengths of certain bones to calculate the height of a person. When the femur (f), the bone from the knee to the hip socket is used, the following formula applies for men: 
where h is the height and f is the length of the femur. Find the height of a man with a femur measuring 50 centimeters.
A. 3566.5 cm B. 8.52 cm C. 181.09 cm D. 119.09 cm
Solve for x.5x = 
A. {-4}
B. 
C. {4}
D. 
Solve the problem.George and Matt have a painting business. George has less experience and it takes him 4 hours more to paint a medium sized room than it takes Matt. Working together they can paint a medium sized room in 6 hours. How long does it take each of them working individually? Round to the nearest tenth of an hour.
A. George: 12.6 hours, Matt: 8.6 hours B. George: 14.9 hours, Matt: 10.9 hours C. George: 13.8 hours, Matt: 9.8 hours D. George: 14.3 hours, Matt: 10.3 hours