State whether the relation is a function.
A. It is a function.
B. It is not a function.
Answer: A
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Determine the number of spanning trees in the graph.
A. 6 B. 7 C. 9 D. 10
Use the given triangles to evaluate the expression. Rationalize all denominators. 
sin 60°
A. 
B. 
C. 
D. 
Simplify by combining like terms.-6b + 2b
A. -8b B. 4b C. -4b D. -4b2
Solve the problem.As the price of a product increases, the demand for that product decreases. However, at higher prices, suppliers are willing to produce greater quantities of the product. The weekly supply and demand models for a certain type of television are as follows:Demand: N = -5p + 760Supply: N = 2.3pwhere p is the price in dollars per television.How many of these televisions can be sold and supplied at $90 per television?
A. sold: 1210; supplied: 207 B. sold: 207; supplied: 310 C. sold: 310; supplied: 967 D. sold: 310; supplied: 207