The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-3, 0)
A. constant
B. increasing
C. decreasing
Answer: B
Mathematics
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Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.(-
+ i)6
A. -64
B. 64 - 64i
C. 64i
D. -64
+ 64i
Mathematics
Perform the indicated operation. Assume that all variables are nonnegative.6
- 11
+ 2
A. 7
B. 3
C. -7
D. -3
Mathematics
Solve the problem.The weekly production cost C of manufacturing x calendars is given by 
where the variable C is in dollars. What is the cost of producing 210 calendars?
A. $630.00 B. $8193.00 C. $669.00 D. $249.00
Mathematics
Distribute and simplify.y5/9(y3/9 - 5y2/9)
A. y5/3 - 5y5/2 B. y15/81 - 5y10/81 C. y2/9 - 5y3/9 D. y8/9 - 5y7/9
Mathematics