Evaluate.
- 
A. -41
B. 3
C. 41
D. -3
Answer: D
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = 4, 0 < ? < 
Find cos 
.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars. Find a formula for the inverse of this function.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Mathematics
Find the perimeter.
A. 72 m B. 100 m C. 116 m D. 144 m
Mathematics
Simplify completely. If the fraction is improper, write it as a mixed number.
A. 1
B. 2
C. 3
D. 
Mathematics