Evaluate the expression x - y for the given values of the variables.x = 9, y = -2

A. -11
B. -7
C. 11
D. 7

Answer: C

Mathematics

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The function f is one-to-one. Find its inverse.f(x) =

A. f-1(x) = 
B. f-1(x) = x3 + 25
C. f-1(x) = x3 - 5
D. f-1(x) = x - 5

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Mathematics

Provide an appropriate response.Let ?I and ?E be right angles, and suppose . Prove that the diagonals  and  are perpendicular.

What will be an ideal response?

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Mathematics

Graph the function.y = 5(x - 4) + 2

A.

B.

C.

D.

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Mathematics

Solve.Find the volume of a rectangular block of wood 6 inches by 2 inches by 2 inches.

A. 3 cu in.
B. 11 cu in.
C. 33 cu in.
D. 5 cu in.

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Mathematics