Simplify the expression 
as much as possible after substituting 
for x.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Use the trapezoidal rule to find the area.On an aerial photograph a region the widths of an area were measured at 
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A. 9.5 mi2 B. 13 mi2 C. 16 mi2 D. 11 mi2
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Given the current cost of an item and the inflation rate, find the cost of the item in the specified number of years.Car insurance: $550, inflation rate: 2%, after 7 years
A. $781.78 B. $631.78 C. $931.78 D. $881.78
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Graph the solution region for the system of inequalities and identify the corners of the region.
A. 
B. 
C. 
D. 
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Find the equation of a circle satisfying the given conditions.Center: (-10, 0); radius: 
A. x2 + (y - 10)2 = 25 B. x2 + (y + 10)2 = 25 C. (x + 10)2 + y2 = 5 D. (x - 10)2 + y2 = 5
Mathematics