Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.cosh x = 
, x > 0, tanh x =
A. 
B. 
C. 
D. - 
Mathematics
For the given function, find the indicated function value, if it exists. If the value does not exist, answer "Does not exist".For f(x) = 
, find f(-126).
A. -6 B. Does not exist C. -5 D. 5
Mathematics
Write an expression in simplest form for the perimeter of the shape.
A. 8x + 28 B. x(x + 7) C. 2x + 7 D. 4x + 14
Mathematics
Solve the problem.A radio telescope has a parabolic surface. If it is 1 m deep and 20 m wide, how far is the focus from the vertex? 
A. 100 m B. 5 m C. 1 m D. 25 m
Mathematics