Graph the piecewise linear function.f(x) = 

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D.
Answer: D
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Completely factor the expression.
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Solve the problem.The foundation for a cylindrical fountain is a cylinder 14 yd in diameter and 5 yd high. How many cubic yd of concrete are needed to build the foundation (to the nearest hundredth)?
A. 769.30 yd3 B. 3077.20 yd3 C. 439.60 yd3 D. 1538.60 yd3
Find the center, radius, and intercepts of the circle.x2 + y2 - 4y - 21 = 0
A. (h, k) = (0, 2), r = 5
x-int: x = ; y-int: y = 7
B. (h, k) = (2, 0), r = 25
x-int: x = ±; y-int: y = 7, -3
C. (h, k) = (0, -2), r = 25
x-int: x = ; y-int: y = 7, -3
D. (h, k) = (0, 2), r = 5
x-int: x = ±; y-int: y = 7, -3
Solve the equation graphically. Round to the nearest thousandth.log2 = 7
A. 2.584 B. 2.528 C. -2.593, 2.593 D. 2.518