Multiply. ? 

A.
B.
C.
D.


Answer: D

Mathematics

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Find the power of i.i9

A. -1 B. 1 C. -i D. i

Mathematics

Your weekly cost (in dollars) to manufacture x cars and y trucks is given by ? ? Compute the marginal cost of manufacturing cars at a production level of 20 cars and 10 trucks. ?

A. $2,875,800 B. $5,600 C. $5,700 D. $100 E. $5,800

Mathematics

Explain how the graph of f can be obtained from the graph of y =  or y = . f(x) = 

A. Stretch the graph of y =  vertically by a factor of 6 and shift to the left 16 units.
B. Stretch the graph of y =  vertically by a factor of 6, reflect across the x-axis, and shift to the right 16 units.
C. Stretch the graph of y =  vertically by a factor of 6 and shift to the right 16 units.
D. Stretch the graph of y =  vertically by a factor of 6, reflect across the x-axis, and shift to the left 16 units.

Mathematics

Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution.5x + 2y + z = -223x - 3y - z = -73x + y + 3z = -3

A. {(-4, 4, -3)} B. {(4, -3, -4)} C. ? D. {(-4, -3, 4)}

Mathematics