Solve the problem.The model of a building has the shape of a rectangular solid. The height is represented by x inches. The base of the model is square and the volume of the model is  Express the area of the model's base in terms of x.

A. x2 - 900 square inches
B. 60x square inches
C. (x + 30)(x - 30) square inches
D. (x - 30)2 square inches


Answer: D

Mathematics

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Graph the equation.f(x) = -3(x - 9)2 - 2

A.

B.

C.

D.

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Establish the identity.csc3 x tan2 x = csc x (1 + tan2 x)

What will be an ideal response?

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Classify the following statement as true or false.No square is a trapezoid.

A. True B. False

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Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x3(x + 3)2(x - 6)

A. x = 0, touches the x-axis and turns around; x = -3, touches the x-axis and turns around; x = 6, crosses the x-axis B. x = 0, touches the x-axis and turns around; x = 3, crosses the x-axis; x = 6, crosses the x-axis C. x = 0, crosses the x-axis; x = -3, touches the x-axis and turns around; x = 6, crosses the x-axis D. x = 0, crosses the x-axis; x = 3, touches the x-axis and turns around; x = -6, crosses the x-axis

Mathematics