Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the average value of the function f over the given region.f(x, y) = ex2 over the region bounded by 
, 
, 
, and 
.
A. 
B. e - 1
C. 
D. 2e - 1
Mathematics
Decide whether or not the transition matrix is regular.
A. Yes B. No
Mathematics
Solve.A store sold 36 lamps on Monday, 18 lamps on Tuesday, and 26 lamps on Wednesday. Find the total number of lamps sold by the store.
A. 81 lamps B. 90 lamps C. 79 lamps D. 80 lamps
Mathematics
Solve the problem.Find how long it will take for $1100 invested at 
per year compounded daily to triple in value. Find the answer to the nearest year.
A. 0 years B. 23 years C. 3,049,422 years D. 30,692 years
Mathematics