Ariel plane is training for her pilot's license. airplane instruction costs $105 per hour, and the flight simulator costs $45 per hour. the school requires students to spend 4 more hours in airplane instructions than in the simulator. if ariel can afford to spend $3870 on training, what is the maximum number of hours of training in an airplane and in a simulator she can afford in getting her license?
answer choices are:
a) 27 hours of instructions and 23 hours of simulator.
b) 25 hours of instructions and 29 hours of simulator.
c) 29 hours of instructions and 25 hours of simulator.
d) 23 hours of instructions and 27 hours of simulator.
e) 62 hours of instructions and 58 hours of simulator.

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step-by-step explanation:

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.

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.