Answer the question.Are there any examples of spanning trees that are also circuits? Explain.
What will be an ideal response?
No. A circuit always contains at least one edge that is not a bridge. Spanning trees contain only bridges.
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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. 300 mA B. 60 mA C. 325 mA D. 288 mA
Find the absolute value.
A. 38 B. 19 C. 0 D. -19
Solve the problem.If the price of a product is given by P(x) = 
+ 500, where x represents the demand for the product, find the rate of change of price when the demand is 2.
A. -512 B. -256 C. 512 D. 256
Solve the problem.A building has an entry with the shape of a parabolic arch 20 feet high and 4 feet wide at the base. Find an equation for the parabola if the vertex is placed at the origin of the coordinate system.
A. x2 = -0.2y B. y2 = -0.8x C. y2 = -0.2x D. x2 = -0.8y