Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = -xi + yj
What will be an ideal response?
Answers will vary.
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Construct a truth table for the statement. Then determine if the statement is a tautology.(p ? q) ? [ (q ? p) ? (p ? ~ q) ]
A. 
Is a tautology.
B. 
Is not a tautology.
C. 
Is a tautology.
D. 
Is not a tautology.
Solve the problem.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 
are applied to a circuit, 
of current flow through the circuit. Find the new current if the voltage is increased to 
A. 280 mA B. 266 mA C. 168 mA D. 300 mA
Add or subtract. Simplify by combining like radical terms, if possible. Assume all variables and radicands represent nonnegative numbers.
+ 
A. (x + 4)
B. (x + 4)
C. (x2 + 16)
D. (x + 16)
Write the complex number in rectangular form.8
A. 4 + 4
i
B. 
+ 
i
C. 4
+ 4i
D. 
+ 
i