Simplify:
Mathematics
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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
Mathematics
Solve the problem.The accompanying tables represent a function f that converts seconds to hours and a function g that converts hours to days.Express (f -1?g -1)(x) symbolically.
A. (f -1?g -1)(x) = 86,400x
B. (f -1?g -1)(x) =
C. (f -1?g -1)(x) =
D. (f -1?g -1)(x) = 86,400x2
Mathematics
Determine whether the statement is true or false.sin 120° = 2 sin 60° cos 60°
A. True B. False
Mathematics
Determine whether a linear model might fit the data.
A.
Yes |
B. No
Mathematics