Simplify the exponential expression.(-2)0
A. 0
B. -1
C. 2
D. 1
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, csch x =
A. 
B. - 
C. - 
D. - 
Mathematics
Sketch the graph of the function.y = ln 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose that the amount in grams of a radioactive substance present at time t (in years) is given by A(t) = 250e-0.88t. Find the rate of change of the quantity present at the time when 
A. 80.4 grams per year B. -80.4 grams per year C. -2.7 grams per year D. 2.7 grams per year
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. -
Mathematics