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Use Venn diagrams to check the validity of the argument.
Some cats can talk.
Some cats can meow.
Therefore, some animals that meow can talk.
_______________ ( valid / not valid)
Electricity Costs
The amount charged for the consumption of electrical power, usually based on a per-kilowatt-hour rate and other fees.
Piecewise Function
A mathematical function defined by different expressions over different intervals of the input variable.
Cellular Phone Service
A communication service provided by telecommunication companies that allows the use of mobile phones.
Piecewise Function
A mathematical function defined by multiple sub-functions, each applying to a certain interval of the overall domain.
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