Find the average value of    over the given region.  over the cube in the first octant bounded by the coordinate planes and the planes 

A. 36
B. 288
C. 96
D. 12


Answer: D

Mathematics

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Find the absolute extreme values of the function on the interval.F(x) = - , 0.5 ? x ? 5

A. absolute maximum is  at x = ; absolute minimum is -12 at x =5
B. absolute maximum is  at x = 5; absolute minimum is -12 at x =   
C. absolute maximum is  at x = 5; absolute minimum is -12 at x = -   
D. absolute maximum is  at x = ; absolute minimum is -12 at x = -5

Mathematics

Solve the problem.Two forces, of 53.1 and 25.5 lb, forming an angle of 98.5°, act at a point in the plane. Find the magnitude of the resultant force.

A. 62.2 lb B. 1300 lb C. 78.6 lb D. 55.4 lb

Mathematics

Write the polar equation in terms of x and y.r = 2 sec ?

A. x2 + y2 = 2 B. y = 2 C. x = 2 D. x2 = 2

Mathematics

Write a mathematical expression for the word phrase.The ratio of -17 to 98

A.
B.
C. -17(98)
D. -17 + 98

Mathematics