Solve the given differential equation. (The form of yp is given.)D2y - 3Dy = -3ex + xex (Let yp = Aex + Bxex .)
A. y = c1 + c2e3x + ex -
xex
B. y = c1 + c2e3x - ex -
xex
C. y = c1 + c2e3x + ex +
xex
D. y = c1 + c2e3x - ex -
xex
Answer: A
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A. -132b12 - 36b11 - 108b6 B. -132b12 - 3b5 - 9 C. -132b6 - 36b5 - 108 D. -132b12 - 36b11 - 9
Write a valid conclusion based on the statements.All birds have wings. None of my pets are birds. All animals with wings can flap them.
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A. Exponential B. Linear C. Logarithmic
Graph the polynomial function. f(x) = -x2(x - 2)(x - 1)
A.
B.
C.
D.