Write the word phrase as an algebraic expression. Use x to represent the unknown number.The product of 3 and a number
A. 3 + x
B. 3 - x
C. 
D. 3x
Answer: D
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Solve.A sphere has a radius of 3 in. If the radius is decreased by x in., express the volume of the sphere as a function of x. What is the domain of V = f(x)?
A. V = 
?(x - 3)3: 0 ? x ? 3
B. V = 
?(3 - x)3: x ? 3
C. V = 
?(3 - x)3: 0 ? x < 3
D. V = 
?(3 - x)3: 0 < x < 3
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
x + 
Find an equation for the line, in the indicated form, with the given properties. Containing the points (8, -9) and (-3, 7); general form
A. 17x - 10y = -19 B. -17x + 10y = -19 C. -16x + 11y = 29 D. 16x + 11y = 29
Solve the problem.Shown is the image of a figure under the two successive translations that take P to P' and then P' to P''. Find the original figure. Note again, the given figure is the image after translation. Hint: First find the final image of a point if it were translated by both translations. Then what happens in the reverse process?
A. 
B. 
C. 
D. 