Perform the indicated operation. Assume that all variables are nonnegative.-2 - 7

A. -6
B. 6
C. -22 
D. 22 


Answer: C

Mathematics

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Solve the problem.Under certain conditions, the electric current i in a circuit containing a resistance R and an inductance L is given by , where t is the time (in seconds), and I is the current at t = 0. Calculate how long (in seconds) it takes the current to reach 0.400 of the initial value, if   and 

A. 0.22 seconds B. 0.14 seconds C. 0.06 seconds D. 2.68 seconds

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Find the property tax. Round to the nearest cent.

A. $12,138.46 B. $512.85 C. $1213.85 D. $5128.50

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Find an equation for the circle.Center at (3, -2), diameter of length 6.2

A. (x + 3)2 + (y - 2)2 = 9.61 B. (x - 3)2 + (y - 2)2 = 3.1 C. (x + 3)2 - (y + 2)2 = 38.44 D. (x - 3)2 + (y + 2)2 = 9.61

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Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = -2(x - 5)4 + 4 

A.

B.

C.

D.

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