Solve the problem.The reliability R of a certain product is found to be 
where t is time of operation in hours. (R = 1 is perfect reliability, and R = 0.5 means there is a 50% chance of a malfunction). Sketch the graph.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write as a percent.
A. 74.6% B. 7.46% C. 746% D. 0.746%
Mathematics
Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Mathematics
Use the vertical line test to determine if the graph is a function.
A. Yes B. No
Mathematics
Determine the maximum value of f(x, y) = 4 - x2 - y2 subject to the constraint 
.Enter your answer as exactly just a, b where a is the maximum and b is the Lagrange multiplier as either integers or reduced fractions of form 
(no words or labels).
Fill in the blank(s) with the appropriate word(s).
Mathematics