Solve the inequality and graph the solution set on a number line.x2 - 2x - 15 ? 0
A. (-?, -3] ? [5, ?)
B. (-?, -3]
C. [-3, 5]
D. [5, ?)
Answer: C
Mathematics
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Evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Perform the indicated operation. Write the answer in the form a + bi.7(cos 45° + i sin 45°) ? 2(cos 90° + i sin 90°)
A. 2
- 
i
B. -14
- 14
i
C. -7
+ 7
i
D. 7
- 28
i
Mathematics
Estimate the quotient by first approximating the dividend and divisor with numbers that can be divided more easily. 
A. 2 B. 20 C. 4 D. 0.2
Mathematics
Solve the equation.32x - 3 = 643x
A. 
B. 
C. 
D. 
Mathematics