Consider the function shown below. g(x) = 2^x if the function g is horizontally compressed by a factor of 1/2 and reflected across the x-axis to obtain F which of the following graphs matches the transformation

you could deduce the conclusion directly using the facts pertaining to the specific situation.

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large crystals result from very slow cooling.

evaporation of water: this would produce an evaporite which is a sedimentary rock. like a salt pan in a desert. not possible to have volcanic rocks originate this way.

crystalization in molten earth: slow cooling over time. (hundreds to millions of years)

crystalization at earth's surface: this results in fast cooling. (a few hours to a few months or years)

crystalization from cooling off hot water: that would be a hydrothermal deposit. while associated with volcanics they are not volcanic rocks themselves and usually occur fairly rapidly.