Solve and check.b + 1 = 5
A. -4
B. -6
C. 4
D. 6
Answer: C
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.sinh x = 
, sech x =
A. 
B. 
C. 
D. 
Mathematics
Remove the parentheses and simplify, if possible.(2y2 - 6y) + (2y - 6) + (3y2 + 4)
A. 5y2 - 4y - 2 B. 5y2 - 8y + 10 C. 5y2 - 8y - 2 D. 5y2 - 4y + 10
Mathematics
Graph the ellipse.
+ 
= 1 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The formula D = 8e-0.04h can be used to find the number of milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. When the number of milligrams reaches 3, the drug is to be given again. What is the time between injections?
A. 24.52 hrs B. 27.47 hrs C. 25.97 hrs D. 51.99 hrs
Mathematics