At time x=0, water begins to drip steadily out of a water tank. After 4 hours, there are 8.6 gallons of water in the tank. After 9 hours, 8.1 gallons remain. Write a linear function rule that models the number of gallons of water y left in the tank for any number of hours x.

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

      2

  2 is to go somewhat to the top right of a because it is squared    

v= a h/3

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5,-10,20,-40,30,-60

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