Determine the vertex of the graph of f.f(x) = x2 - 4

A. (4, 0)
B. (0, 4)
C. (-4, 0)
D. (0, -4)

Answer: D

Mathematics

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Solve by using Thevenin's Theorem.


R1 = 47 Kê
R2 = 4.7 Kê
R3 = 6.8 Kê
R4 = 1 Kê
HFE = 150
VCC = 18V

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Mathematics

Identify the coordinates of each point in the graph.

A. (-6, 0); (4, -5) B. (6, 0); (4, -5) C. (-6, 6); (4, -5) D. (-6, 0); (-4, -5)

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Mathematics

Convert the angle in degrees to radians. Express the answer as multiple of ?.87°

A.
B.
C.
D.

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Mathematics

Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-60°)

A.  
B. - 
C. - 
D.

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Mathematics