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, sinh x =
A. - 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the quadratic formula to find the exact solutions.3t2 - 7t = 1
A. 
± 
i
B. 
C. - 
± 
i
D. 
Mathematics
Solve the inequality and graph. Express your answer in interval notation.-4(-2 - x) < 6x + 19 - 11 - 2x
A. (-?, 8)
B. ?
C. (-?, 0)
D. (-?, ?)
Mathematics
Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. 
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics