Determine if the function is a solution to the given differential equation.y = 2e2x + xe2x; y'' - 2y' + 1 = 0.
A. Yes
B. No
Answer: B
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = e2x
A. x + 2x + 
+ 
+ . . .
B. 1 + 2x + 
+ 
+ . . .
C. 1 + 2x + 
+ 
+ . . .
D. 2x + 8x3 + 32x5 + 128x7 + . . .
Find the perimeter.
A. 552 ft B. 542 ft C. 367 ft D. 46,617 ft
Solve the problem.The Smith's addition to their house is going to cost $23,150. On March 2 they sign a note at 9.5% interest due in 200 days. They make a partial payment on April 30 of $8000. What is the amount due on the maturity date? What is the amount of interest charged?
A. $16,032.63, $882.63 B. $16,520.23, $1370.10 C. $16,087.55, $937.55 D. $15,713.71, $924.14
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
2
A. 3x - 10
+ 23
B. 3x + 25
+ 25
C. 3x + 25
+ 23
D. 3x - 10
+ 25