Find the common difference of the arithmetic sequence.6, 9, 12, 15, ...
A. 9
B. 3
C. -3
Answer: B
Mathematics
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Subtract.
- 
A. 
B. 
C. 
D. 2x + 6
Mathematics
The total gain for the system below is:
a. 6.67 b. -1.98 c. 6.24
Mathematics
Evaluate the square root. If it is not a real number, say so.
A. 24 B. 12 C. Not a real number D. 14
Mathematics
Solve the problem.Determine graphically the local maximum and local minimum of f(x) = -2x2/3 - 4.
A. No local maximum; local minimum: -4 B. Local maximum: -4; no local minimum C. Local maximum: 0; no local minimum D. Local maximum: -4; local minimum: -?
Mathematics