Find the median.Number of phone calls: 2, 8, 16, 28, 39, 45, 45
A. 16
B. 26
C. 28
D. 39
Answer: C
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Find the unit tangent vector of the given curve.r(t) = (cosh t)i + (sinh t)j + k
A. T(t) = - 
(tanh t sech t)i + 
j + 
(sech t)k
B. T(t) = - 
(tanh t)i + 
j + 
(sech t)k
C. T(t) = 
(tanh t sech t)i + 
j + 
(sech t)k
D. T(t) = 
i + 
j
Solve the problem.A garden is in the shape of a rectangle 24 feet long and 25 feet wide. If fencing costs $6 a foot, what will it cost to place fencing around the garden?
A. $294 B. $1176 C. $3600 D. $588
Simplify the expression.cos 
[csc x - sin x]
A. sin2x B. cos2x C. tan x D. sin x - csc x
Identify the parent function and the transformation shown in the graph. Write an equation for the function shown in the graph.
?
?
A. Horizontal shift of 
B. Vertical shift of 
C. Vertical shift of 
D. Horizontal shift of 
E. Vertical shift of 