Graph the function.y = 2 sec (3x)
A. 
B. 
C. 
D. 
Answer: C
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Identify the figure and name it using the labels shown.
A. ?z
B. point z
C. line z, or 
D. ray z, or 
Factor completely.-4t2 - 14t + 8
A. -2(t - 4)(2t + 1) B. -2(t + 4)(2t - 1) C. (t + 4)(-4t + 2) D. (-2t + 1)(2t + 8)
Verify the identity.
= 
What will be an ideal response?
Solve the problem.Suppose the following matrix represents the input-output matrix, T, of a simplified economy. Manufacturing Agriculture Transportation 
The demand matrix is D = 
Find the amount of each commodity that should be produced.
A. 3263 units of manufacturing, 3640 units of agriculture, and 3023.8 units of transportation. B. 3640 units of manufacturing, 3029 units of agriculture, and 3263 units of transportation. C. 3263 units of manufacturing, 3029 units of agriculture, and 3224 units of transportation. D. 3224 units of manufacturing, 3668.6 units of agriculture, and 3023.8 units of transportation.