Describe the motion of a particle with position (x,y) as t varies in the given interval 0 ? t ? 2?.
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Mathematics
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Evaluate the integral.
dz
A. - 
csc 
+ C
B. -cot 
+ C
C. csc 
+ C
D. -csc 
+ C
Mathematics
Simplify by rationalizing the denominator. Write your answer in a + bi form.
A. - 
- 
i
B. - 
+ 
i
C. 
- 
i
D. 
+ 
i
Mathematics
Solve the problem.The number of books in a small library increases according to the function 
where t is measured in years. How many books will the library have after 4 years?
A. 4279 books B. 3298 books C. 1887 books D. 4345 books
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(x2 + 1) - (6x2 - 9) + (x2 + x - 2)
A. -4x2 - 8x - 1 B. -5x2 + x + 8 C. -4x2 + x + 8 D. -6x2 + x + 8
Mathematics