It comes from integrating by parts twice. Let

Recall the IBP formula,

Let


Then

Apply IBP once more, with


Notice that the ∫ v du term contains the original integral, so that




I calculated its 14 gallons is in two week
1 gall=128
128 x 1st week= 896
128 x 2nd week=1792divid it by 128=14
mark me as brainlest
Alternate Interior Angles. You’re welcome
7,9,10 in that order in the y portion on the chart are the answers then use the x and y answers as graphing points for example the first one your going to graph is (3,7)