Use the quotient rule to simplify.

A.
B.
C.
D. 5


Answer: C

Mathematics

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A ship is headed due north at a constant 15 miles per hour. Because of the ocean current, the true course of the ship is 12°. If the currents are a constant 12 miles per hour, in what direction are the currents running? Apply the rules regarding the use of significant digits after all computations are complete. ?

A. S 3° E B. ?S 27° E, N 24° E C. ?N 22° E, N 3° E D. ?S 20° E E. ?N 27° E, S 3° E

Mathematics

Use the boundedness theorem to determine whether the statement is true or false.The polynomial f(x) = x5 + 10x4 - 25x3 - 10x2 + 24x has no real zero less than -8.

A. True B. False

Mathematics

Select the region determined by the constraints. Then find the minimum value of the objective function (if possible) and where it occurs, subject to the indicated constraints. ? Objective function: ? z = 7x + 6y ? Constraints: ?          x ? 0          ?y ? 0 5x + 2y ? 20   5x + y ? 10 ?

A.  

?Minimum at (2, 0): 14


B.

Minimum at (0, 2): 15


C.

Minimum at (0, 10): 60


D.

Minimum at (0, 4): 29


E.

Minimum at (4, 0): 14


Mathematics

Rewrite the fraction as an equivalent fraction with the given denominator. = 

A.
B.
C.
D.

Mathematics