Find the indicated part of the arithmetic sequence.Find a formula for an, given that a3 = -19 and a7 = -43.

A. an = -6n - 1
B. an = -24n + 5
C. an = 6n - 49
D. an = -6n - 13


Answer: A

Mathematics

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Write in radical form. Assume all variables represent positive real numbers.(5m4 + 4k2)4/3

A.  
B.  4
C.  
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Find the vertical asymptotes, if any, of the graph of the rational function.f(x) = 

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Mathematics

Solve the linear programming problem.Maximize and minimize z = 21x + 15y subject to: x ? 0,y ? 0,2x + 3y ? 6,x ? 10,y ? 5.

A. maximum: 75; minimum: 45 B. maximum: 285; minimum: 30 C. maximum: 285; minimum: 210 D. maximum: 210; minimum: 45

Mathematics