Represent the complex number graphically, and find the trigonometric form of the number.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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Solve the problem.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 9 years if 
and 
A. 25,639 B. 66,962 C. 22,740 D. 12,820
Mathematics
Subtract.(-24) - 9
A. -33 B. 33 C. 15 D. -15
Mathematics
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 7 units to the right
A. y = 
B. y = 
- 7
C. y = 
D. y = 
+ 7
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."the difference of Seven and a number
A. 7x
B. x - 7
C. 
D. 7 - x
Mathematics