Calculate.

A. - 
B.
C. - 
D. - 
E. none of these


Answer: B

Mathematics

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Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = 0.1x5 + 5x4 - 8x3- 15x2 - 6x - 6

A. Approximate local maxima at -41.176 and -0.359; approximate local minima at -0.601 and 1.996 B. Approximate local maxima at -41.228 and -0.266; approximate local minima at -0.638 and 1.959 C. Approximate local maxima at -41.226 and -0.211; approximate local minima at -0.476 and 1.881 D. Approximate local maxima at -41.132 and -0.273; approximate local minima at -0.547 and 1.952

Mathematics

Solve the problem using the information given in the table and the last- in, first-out inventory method. Round dollar amounts to the nearest cent.Determine the unit costs for units in the ending inventory. 57 units are in the ending inventory from the units that were purchased first. Beginning inventory: 90 units at $33.82 March 8: 70 units at $28.11 June 10: 65 units at $37.51 August 12: 40 units at $21.08

A. First purchases: 57 units @ $28.11 per unit B. First purchases: 57 units @ $33.82 per unit C. First purchases: 57 units @ $21.08 per unit D. First purchases: 40 units @ $33.82 per unit

Mathematics

Sketch the graph of the parabola.y = - (x + 4)2 - 3

A.

B.

C.

D.

Mathematics

Solve and graph. Write the solution in interval notation. ? 2

A.  ? 

B. (-?, ?)

C.

D.

Mathematics