Determine whether the equation defines y as a function of x. x2 + 2y2 = 1
A. function
B. not a function
Answer: B
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Use the method of variation of parameters to solve the differential equation.D2y + 4Dy + 4y = 16
A. y = C1e2x + C2e2x + 4 B. y = C1e-2x + C2e-2x C. y = C1e-2x + C2e-2x - 4 D. y = C1e-2x + C2e-2x + 4
Mathematics
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the eigenvalues and corresponding eigenvectors.
Mathematics