The graph of a piecewise-defined function is given. Write a definition for the function. 

A.

B.

C.

D.


Answer: D

Mathematics

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Solve the system to the nearest 0.1 for each variable by using a graphing calculator.2x = -5y - 38x + 20y = 2

A. x = -0.9, y = 0.2 B. x = -0.6, y = 0.3 C. Dependent D. Inconsistent

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Use the principle of square roots to solve the equation.x2 + 5 = 149

A. 12 B. ±11 C. 74.5 D. ±12

Mathematics

Find the product.-0.2(3.99)

A. 4.19 B. 0.798 C. 3.79 D. -0.798

Mathematics

Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].

A. 22; 347.7°
B. ; 347.7°
C. ; 282.3°
D. 22; 102.3°

Mathematics