When using a function to preform a calculation how would you select the range of numbers to use

20 points archie wants to use a reflector as he photographs a newlywed couple. what would he consider in his choice? a. shadow and sunny b. homemade and professional c. lamps and boards d. incident and reflected e. neutral density and enhancement

Worth 50 points answer them bc i am not sure if i am wrong

Does anybody know how to hack into a google account? i had important information on it and it is gone now and i need getting it back.