Find the sum.
A. 248
B. -5140
C. -1640
D. Does not exist
Answer: C
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Provide an appropriate response.You plan to estimate e by evaluating the Maclaurin series for 
at 
How many terms of the series would you have to add to be sure the estimate is good to 3 decimal places?
A. 11 B. 9 C. 8 D. 10
Determine if the given function y = f(x) is a solution of the accompanying differential equation.Differential equation: y' = e- 2x - 2yInitial condition: y(0) = 0Solution candidate: y = 2xe- 2x
A. No B. Yes
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?
Find
by direct substitution.
What will be an ideal response?