a) The use of electrical energy in the city was increasing on what interval(s)?
ID: 3110186 • Letter: A
Question
a) The use of electrical energy in the city was increasing on what interval(s)? b) At the beginning of what week was the use of electrical energy in the city at its lowest? c) Which is Larger? The use of electrical energy in the city at the beginning of the 6^th week or at the beginning of the 7^th week? Explain your answer. d) At the beginning of what week was the rate of change of the use of electrical energy in the city at its highest? By how much did the use of electrical energy in the city increase or decrease over the 12-week period? Explain your answer. Suppose that on June 15, 2012 the electrical energy was 980 units. Find the number of electrical units on August 24. 2012. You must use a definite integral equation with your show of work.Explanation / Answer
A) The use of electrical energy was increasing begining of 3rd week to end of 7th week and begining of10th week to the end of 12th week
B) At the begining of the 2nd week the usage of electricity was at the lowest
C) The begining of 7th is large because the area under the curve is increasing from 6th to 7th
D)At the begining of 6th week because there is the highest value in graph
E)adding all the area consider the area below the graph as negative then over 12 weeks the use is increased by -150+520-90+280=560units (increased by 560 units)
F)june 15 begining of 3rd week
august 24 th end of 12th week
we want to integrate over every intervals same as addind the area as before by cosidering the value at begning of 3rd week is 980units
E=980+520-90+280=1690units(useage at august 24th)
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