Evaluate by rewriting the expression as a reciprocal of the sine, cosine, or tangent function.cot 
A. - 
B. - 
C. 
D. 
Answer: D
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Solve the given differential equation.
+ 16y = cos 4x
A. y = c1 sin 4x + c2 cos 4x + 
x sin 4x + 
x cos 4x
B. y = c1 sin 4x + c2 cos 4x - 
x sin 4x
C. y = c1 sin 4x + c2 cos 4x + 
x sin 4x
D. y = c1 sin 4x + c2 cos 4x + 
x cos 4x
Solve the problem.Devon purchased tickets to an air show for 8 adults and 2 children. The total cost was 
. The cost of a child's ticket was 
less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A. adult's ticket: $11; child's ticket: $4 B. adult's ticket: $14; child's ticket: $7 C. adult's ticket: $13; child's ticket: $6 D. adult's ticket: $12; child's ticket: $5
Solve the equation. Check your solution.
x - 
x = 4
A. {-60} B. {120} C. {60} D. {-120}
Find the partial fraction decomposition for the rational expression.
A. 
- 
B. - 
+ 
C. 
+ 
D. 
+ 