Solve the problem.A generator produces an alternating current according to the equation 
, where t is time in seconds and I is the current in amperes. What is the smallest time t such that I = 4?
A. 
sec
B. 
sec
C. 
sec
D. 
sec
Answer: D
Mathematics
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If 
represents the temperature t hours after midnight, then 
indicates the temperature at 
a.m.
Answer the following statement true (T) or false (F)
Mathematics
Show that the given shape will tile the plane. There may be more than one correct answer. If the figure does not tile the plane, state this.
What will be an ideal response?
Mathematics
Solve the problem.Let D be the region bounded below by the xy-plane, above by the sphere 
and on the sides by the cylinder 
. Set up the triple integral in cylindrical coordinates that gives the volume of D using the order of integration 
.
A. 
B. 
C. 
D. 
Mathematics
Evaluate.If f(x) = x - 5 and g(x) = x - 1, evaluate (f + g)(2).
A. 0 B. 8 C. -2 D. 10
Mathematics