Use reduction formulas to evaluate the integral.
A. - 
csc2 
cot 
- 
cot 
+ C
B. - 
csc3 
cot 
+ 
cot 
+ C
C. - 
csc2 
cot 
- 
cot 
+ C
D. - 
csc2 
cot 
- 
csc 
+ C
Answer: A
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Graph the function.y = cos 
x
A. 
B. 
C. 
D. 
Determine the amplitude and range of the function and sketch its graph.y = -5 cos x
A. amplitude: 5; range: [-5, 5]
B. amplitude: 5; range: [-5, 5]
C. amplitude: 5; range: [-5, 5]
D. amplitude: 5; range: [-5, 0]
Yoko has $5.00 in quarters and nickels. She has 24 coins altogether. How many quarters does she have?
A) 19 quarters B) 5 quarters C) 20 quarters D) 4 quarters E) 21 quarters
Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the 3 years considered. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. -1.2 B. -1.6 C. 2.3 D. 1.9