Evaluate the definite integral and interpret the result.
A. 
; the shaded area above the x-axis minus the shaded area below the x-axis is equal to 
.
B. 3; the shaded area above the x-axis minus the shaded area below the x-axis is equal to 3.
C. 
; the total shaded area is equal to 
.
D. 5; the total shaded area is equal to 5.
Answer: B
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Write the number in standard form a + bi.
A. - 
+ 
i
B. - 
+ 
i
C. - 
- 
i
D. - 
- 
i
Express the following in interval notation.
A. (-1, 3) B. (-?, -1] ? [3, ?) C. (-?, -1) ? (3, ?) D. [-1, 3]
Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.log3 m + log3 n
A. log3 (m + n)
B. log3 mn
C. log3 m ? log3 n
D. log3 
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 6
C. 
D. 