Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.3x + 1 ? 2x - 6
A. [-7, ?)
B. (-5, ?)
C. (-?, -7)
D. (-?, -7]
Answer: A
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Find the average value of the function f over the given region.f(x, y) = e5x over the square 0 ? x ? 
, 0 ? y ? 
.
A. 
B. 
C. 2e - 1
D. e - 1
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x2 - 25x + 625
A. (x + 25)2 B. (x - 25)2 C. Prime D. (x + 25)(x - 25)
Use INTERSECT to find the solution to the equation. Round to two decimal places, if necessary.5(x - 5) = 3(x - 6)
A. x = 6.5 B. x = -3.5 C. x = 3.5 D. x = -6.5
Solve the problem.The population in a particular country is growing at the rate of 2.2% per year. If 2,546,000 people lived there in 1999, how many will there be in the year 2006? Use 
and round to the nearest ten-thousand.
A. 3,270,000 B. 2,970,000 C. 3,560,000 D. 2,910,000