Write with radicals. Assume that all variables represent positive real numbers.91/2
A. 3
B. 4.5
C. 
D. 
Answer: D
Mathematics
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Simplify the expression.(1 + i)2 + (1 + i)
A. 3i. B. 2 + 4i. C. 1 + 3i. D. 3 + 3i. E. none of these
Mathematics
Solve the problem.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 12 years if 
and 
A. 17,400 B. 19,816 C. 9908 D. 82,804
Mathematics
Write an equation for the parabola with vertex at the origin.Through (8, 8), symmetric with respect to the y-axis
A. y = 8x2 B. y2 = 8x C. x2 = 8y D. x = -8y2
Mathematics
Simplify.87 - 3 ? 4 ? 5
A. 375 B. 1680 C. 75 D. 27
Mathematics