Evaluate the expression for the given values of the variables, if possible.-3xyx = 7, y = -4

A. 74
B. 84
C. -84
D. 184


Answer: B

Mathematics

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Simplify the expression. Assume that the variables are positive. ?

What will be an ideal response?

Mathematics

Determine if the function f defined by the arrow diagram has an inverse. If it does, create an arrow diagram that defines the inverse. If not, explain why not.

A. Yes;

B. No; the function is not one-to-one.

Mathematics

Solve the polynomial inequality. Express the solution in interval notation.x2 - 6x - 7 ? 0

A. [7, ?) B. (-?, -1] ? [7, ?) C. [-1, 7] D. (-?, -1]

Mathematics

Use the row transformation described to transform the matrix.  

A.

B.

C.

D.

Mathematics