Find the derivative.f(x) = 
- 
+ 
, find f'(x)
A. 
- 
- 
B. - 
- 
- 
C. - 
+ 
- 
D. -3
+ 
- 
Answer: C
Mathematics
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Solve the system, if possible.
A) x = 8, y = –6, z = 3
B) x = 6, y = –7, z = 3
C) x = –6, y = 7, z = –3
D) x = 1, y = –12, z = 3
E) no solution; inconsistent system
Mathematics
Translate the phrase into a mathematical expression and then find the result.482 cell phone calls times 7
A. 482 ? 7; 3374 cell phone calls B. 482 ÷ 7; 3274 cell phone calls C. 482 ÷ 7; 3474 cell phone calls D. 482 ? 7; 3384 cell phone calls
Mathematics
Solve and check.9y2 + 27y + 20 = 0
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, - 
Mathematics
Simplify. Assume that any variables are positive.
A. 
B. 
C. 
D. 1
Mathematics