Evaluate the definite integral and interpret the result.
A. 16; the shaded area above the x-axis plus the shaded area below the x-axis equals 16.
B. 0; the shaded area above the x-axis is equal to the shaded area below the x-axis.
C. 16; the shaded area above the x-axis minus the shaded area below the x-axis equals 16.
D. 4; the shaded area above the x-axis minus the shaded area below the x-axis equals 4.
Answer: B
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Perform the following division.
A. 3 B. 5 C. 6 D. 4
Estimate the sum or difference by rounding each number to the nearest ten.
A. 2420 B. 2412 C. 2410 D. 2400
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. -1
B. 
C. -30
D. 
Solve the inequality and graph the solution set.10x + 7 ? 11x - 2
A. {x|x ? -9} or [-9, ?)
B. {x|x > 10} or (10, ?)
C. {x|x ? 9} or (-?, 9]
D. {x|x ? 10} or (-?, 10]