Solve the problem.A power outage affected all homes and businesses within a 2 mi radius of the power station. If the power station is located 3 mi west and 2 mi north of the center of town, find an equation of the circle consisting of the furthest points from the station affected by the power outage.
A. (x - 3)2 + (y - 2)2 = 4
B. (x + 3)2 + (y + 2)2 = 4
C. (x - 3)2 + (y + 2)2 = 4
D. (x + 3)2 + (y - 2)2 = 4
Answer: D
Mathematics
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Use a trigonometric substitution to evaluate the integral.
A. 
ln ( 1 + 4 ln2x) + C
B. 
tan-1 (2 ln x) + C
C. 
tan-1 (4 ln2 x) + C
D. 
tan-1 (2 ln x) + C
Mathematics
List the like terms of the expression.7x - 5x + 2
A. 7x, - 5x, and 2 are like terms B. 7x and - 5x are like terms C. There are no like terms D. 7x and 2 are like terms
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Find the function value.Find f(1) when f(x) = -2x - 7.
A. 6 B. 14 C. -7 D. -9
Mathematics
Determine the order of the matrix.[7]
A. 1 B. 0 C. 1 × 1 D. 0 × 0
Mathematics