Form an equivalent expression by rationalizing the denominator.
A. 
B. 
C. 
D. 
Answer: C
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Determine the value that 5 represents in the given number.45,721
A. five thousand B. one C. one thousand D. five
Write using radical notation. Then, simplify, if possible.x1/4
A. 
B. 
C. x-4
D. 
Evaluate the integral.
A. -4i + 
j + 40k
B. +4i + 
j + 40k
C. -4i - 
j - 40k
D. -4i - 
j + 40k
In the energy demand problem above, the demand vectors could be represented in a 2 row matrix, where row 1 contains the energy demands of the consumers and row 2 contains the energy demands of the energy industries:D = 
A researcher is studying the effects on the local economy of changes in the original demand matrix. He models one change by the matrix equation D1 = D + 0.5D. Calculate the new demand matrix in his model.
What will be an ideal response?