Examlex
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.
-f(x) = 19x5 + 9x4 + 2
Coal Formation
The process by which dead plant material over millions of years is transformed under heat and pressure into coal.
Heat Content
The total amount of heat energy contained in a substance or system.
Natural Gas
A type of fossil fuel primarily composed of methane that serves as a source of energy for activities such as heating, cooking, and producing electricity.
Reserves
Areas designated for the preservation of wildlife, natural resources, or cultural heritage, with restrictions on development and use.
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