Express the sum using summation notation. +  +  + ... + 

A.
B.
C.
D.


Answer: A

Mathematics

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Solve. Assume the exercise describes a linear relationship.The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Find an equation relating time and sales. Use the equation to predict the total sales after 46 months.

A. $117,450 B. $117,492 C. $117,550 D. $117,420

Mathematics

Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = 6x3i + 6y3j + 6z3k ; D: the thick sphere 1 ? x2 + y2 + z2 ? 25

A. 2232?
B. ?
C. 224,928?
D. 4992?

Mathematics

Find first four terms of the indicated expansion by use of the binomial series.(1 + x)-2

A. 1 - 2x + 3x2 - 4x3 + . . . B. 1 - 2x - 3x2 - 4x3 - . . . C. 1 + 2x + 3x2 + 4x3 + . . . D. 1 - 2x + 3x2 - 8x3 + . . .

Mathematics

Solve the problem.You have purchased office equipment for $6137 and have agreed to pay it off in 54 monthly payments of $143 each. What will be the total sum of your payments?

A. $7732 B. $7772 C. $7722 D. $7822

Mathematics