Question 8 of 10 What is the range of the function in this table? X у 2 1 3 4 4 4 5 2 A. (2, 1), (3, 4), (4,4), (5, 2) B. {2,3,4
,5) C. (2,1) O D. {1,2,4}
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If Nate paints the wall in 4 hours, it means that he can paint 1/4 of the wall every hour.
Similarly, if Jill paints the wall in 7 hours, it means that he can paint 1/7 of the wall in one hour.
So, together, they paint the following fraction of the wall in one hour:
.
At this rate, they need 28/11 hours to paint the whole wall, in fact, after that amount of time they paint
i.e. the whole wall