Perform the indicated operation.
+ 
A. 
x2 + 
x + 
B. 
x6 + 
C. 
x2 + 
x + 
D. 
x4 + 
x2 + 
Answer: C
Mathematics
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Evaluate the integral.
dx
A. 
- 
+ C
B. - 
+ 
+ C
C. 
+ 
+ C
D. - 
- 
+ C
Mathematics
Rewrite the equation such that each resulting term or combination is in an integrable form.y dx + xy2 dy + y3 dx = x dy
A. 
+ (xy dy + y2 dx) = 0
B. 
+ (x dy + y dx) = 0
C. (y dx - x dy) + (xy2 dy + y3 dx) = 0
D. 
+ (y dy - x dy) = 0
Mathematics
Write in scientific notation.27,000,000
A. 2.7 × 106 B. 2.7 × 10-6 C. 2.7 × 10-7 D. 2.7 × 107
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.27a4 - 75b2
A. 3(3a2 - 5b)2 B. prime C. 3(3a2 + 5b)2 D. 3(3a2 + 5b)(3a2 - 5b)
Mathematics