Evaluate the exponential expression.(-1)4

A. -1
B. -4
C. 4
D. 1

Answer: D

Mathematics

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Solve the given differential equation. y(4) - 10y''' + 30y'' - 50y' + 125y = 0

A. y = (C₁ + C₂x)e^5x + (C₃ + C₄x)e^x
B. y = C₁ e^5x + C₂ cos x + C₃ sin x
C. y = (C₁ + C₂x)e^5x + C₃ cos x + C₄ sin x
D. y = (C₁ + C₂x)e^5x + C₃e^x + C₄ e^-x

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Mathematics

Determine whether the following is always true or not always true. Given reasons for your answers.|u| =

What will be an ideal response?

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Mathematics

Find any values of the variable that must be excluded.

A. 0 B. -2 C. 2 D. None

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Mathematics

Write the fraction or mixed number as a percent. If necessary, round the percentage to the nearest tenth.

A. 20% B. 250% C. 5% D. 50%

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Mathematics