Determine the amplitude or period as requested.Period of y = -3 sin (4?x + 2?)
A. 
B. 4?
C. 2
D. 
Answer: D
Mathematics
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Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R
= 6xC
= 0.01x2 + 1.2x + 90.
A. 720 units B. 360 units C. 240 units D. 480 units
Mathematics
Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.x1/3 ? x2/3
A. x2/3 B. x2/9 C. x D. x-1
Mathematics
Give the rectangular coordinates for the point.(8, 225°)
A. (-4?, -4?)
B. (-4
, -4
)
C. (4
, 4
)
D. (-4
, -4
)
Mathematics
Write the complex number in standard polar form. Write the argument in radians using exact values.z = 2 - 2i
A. 2
B. 2
C. 2
D. 2
Mathematics