Which statement describes the rate of change of the following function? f(x) = 2x - 8
OA. The function has a varying rate of change when x < 8.
OB. The function has a varying rate of change when x> 2.
OC. The function has a constant rate of change, increasing for all x at a rate of 2.
OD. The function has a constant rate of change, decreasing for all x at a rate of 8.

answer: 88

step-by-step explanation:

7

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.