Find the derivative of the function by using the rules of differentiation.
?
?
A. 
B. 
C. 
D. 
Answer: A
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Solve the equation by the method of your choice. Simplify irrational solutions, if possible.3x2 = 4x + 7
A. 
B. 
C. 
D. 
Multiply the complex numbers and simplify powers of i.(6 + 3i)2
A. 27 - 36i B. 45 - 36i C. 27 + 36i D. 45 + 36i
Solve.The annual depreciation rate r (0 < r < 1) of a car purchased for P dollars and worth A dollars after t years can be modeled by the following formula: 
Find the depreciation rate of a car that is purchased for $31,000 and is sold 4 years later for $14,000. Express your answer as a percentage, and round the answer to the nearest whole percentage.
A. -18% B. 18% C. 82% D. -82%
Provide an appropriate response.Differential piece rate refers to a system of pay based on hours worked.
A. True B. False