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18. The graph below shows a city's daily rate of use of electricity (in millions of kilowatts). Estimate the total daily usage of electricity by summing the area of rectangles. Use the left endpo...
The graph shows a cty's daily rate of use of electricity (n millions of dowats). Estimate the total daily usage of electridity by sumeming the area of rectangles. Use the et endpoints, then the right endpoints, then give the average of those resuts as the answer. Let the width of each rectangle be 2 hours a The estmate of the chy's total daily usagpe of electhicily tor he oven day, ound by averaging the estmates using wit and nght end-in...
Estimate the area Upper A between the graph of the function f left-parenthesis x right-parenthesis equals 1 0 s i n x and the interval left-bracket 0 comma pi right-bracket Number . Use an approximation scheme with n equals 2 comma 5 and 10 rectangles. Use the right endpoints. If your calculating utility will perform automatic summations, estimate the specified area using n equals 50 and n equals 100 rectangles.