Use a graphing calculator to approximate the real zeros of the function defined by f(x). Express decimal approximations to the nearest hundredth.f(x) = 2x4 + 4x3 + 2x2 - 2x + 1
A. -2.52, -0.33
B. -5.04, 0.33
C. No real solution
D. 0.33
Answer: C
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Given the graph of a one-to-one function, sketch the graph of its inverse. 
A. 
B. 
C. 
D. 
Find the torsion of the space curve.r(t) = (6t sin t + 6 cos t)i + (6t cos t) - 6 sin t)j - 5k
A. ? = -1 B. ? = 1 C. Undefined D. ? = 0
Fill in each blank with the appropriate response.The graph of y = -5(x + 3)2 - 7 can be obtained from the graph of y = x2 by shifting horizontally 
units to the 
, vertically stretching by a factor of 
, reflecting across the 
-axis, and shifting vertically 
-10.0px;" /> units in the 
direction.
A. 3; left; 5; x; 7; downward
B. 3; left; 7; x; 5; downward
C. 3; right; 5; x; 7; upward
D. 3; right; 5; x; 7; downward
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