Solve the system by substitution.x + y = 2x - y = 14
A. {(-8, -5)}
B. {(7, -5)}
C. ?
D. {(8, -6)}
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, sech x =
A. 
B. - 
C. - 
D. 
Mathematics
Provide an appropriate response.Solve the following system algebraically: 
What will be an ideal response?
Mathematics
Provide an appropriate response.If b < 0, is it true that b2 > b? Explain.
What will be an ideal response?
Mathematics
Find the inverse of the function.{(-3, 4), (-1, 5), (0, 2), (2, 3), (5, 7)}
A. {(3, 4), (1, 5), (0, 2), (-2, 3), (-5, 7)} B. {(4, -3), (5, -1), (2, 0), (3, 2), (7, 5)} C. {(3, -4), (1, -5), (0, -2), (-2, -3), (-5, -7)} D. {(-3, -4), (-1, -5), (0, -2), (2, -3), (5, -7)}
Mathematics