Graph the piecewise linear function.f(x) = 

A.

B.

C.

D.


Answer: D

Mathematics

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Completely factor the expression. ? ?

A.
B.
C.
D.
E.

Mathematics

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

Mathematics

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

Mathematics

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

Mathematics