3. A scuba divers distance under water can be modeled by a quadratic function of time. He reaches a deepest depth after 12 seconds and is 288 feet below the surface of the water. He returns to the surface at 24 seconds. Write a quadratic equation in standard form that would describe the dive.​

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step-by-step explanation:

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.