Solve the given differential equation (where the function is subject to the given conditions) by using Laplace transforms.y' + 2y = 0, y
= 1
A. y = e-t
B. y = e2t
C. y = 2e-t
D. y = e-2t
Answer: D
Mathematics
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Simplify the expression. Leave answers with exponents.(-2)9(-2)4
A. 213 B. 413 C. (-2)13 D. -436
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Determine whether the graph represents a function.
A. Yes B. No
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Add and, if possible, simplify.
a + 
a
A. 
a2
B. 
a
C. 
a2
D. 
a
Mathematics
Combine like terms and write the resulting polynomial in descending order of degree.9x4 - 8x3 + 2x2 + 6 + 7x4 - 2x3 + 2x2 - 7
A. 16x4 - 10x3 + 4x2 - 1 B. 4x4 + 4x3 + 2x2 - 1 C. 10x18 - 1 D. 16x8 - 10x6 + 4x4 - 1
Mathematics