Find the product and simplify. ? 

A. 3x
B.
C.
D. 3x2


Answer: A

Mathematics

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Solve the equation or inequality. > -20

A. ? B. (-10, ?) C. (-?, ?) D. (-10, 10)

Mathematics

Solve the problem.Suppose a nonhomogeneous system of 15 linear equations in 17 unknowns has a solution for all possible constants on the right side of the equation. Is it possible to find 3 nonzero solutions of the associated homogeneous system that are linearly independent? Explain.

What will be an ideal response?

Mathematics

Use the precise definition of a limit to prove that

What will be an ideal response?

Mathematics

Find dy.y = 

A.  dx
B.  dx
C.  dx
D.  dx

Mathematics