Roger runs a marathon. His friend Jeff rides behind him on a bicycle and clocks his speed every 15 minutes. Roger starts
Posted: Mon Jul 11, 2022 12:48 pm
- Roger Runs A Marathon His Friend Jeff Rides Behind Him On A Bicycle And Clocks His Speed Every 15 Minutes Roger Starts 1 (34.94 KiB) Viewed 36 times
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(a) Assuming that Roger's speed is never increasing, give upper and lower estimates for the distance Roger ran during the first 30 minutes. Round your answers to two decimal places. A lower estimate for the distance Roger ran during the first 30 minutes is i An upper estimate for the distance Roger ran during the first 30 minutes is eTextbook and Media * Your answer is incorrect. (b) Give upper and lower estimates for the distance Roger ran in total during the entire duration. Round your answers to two decimal places. A lower estimate for the distance Roger ran in total is 945 An upper estimate for the distance Roger ran in total is
A village wishes to measure the quantity of water that is piped to a factory during a typical morning. A gauge on the water line gives the flow rate (in cubic meters per hour) at any instant. The flow rate is about 140 m³/hr at 6 am and increases steadily to about 280 m³/hr at 9 am. Using only this information, give your best estimate of the total volume of water used by the factory between 6 am and 9 am. Best estimate = i 321.5 eTextbook and Media Save for Later m³
Filters at a water treatment plant become less effective over time. The rate at which pollution passes through the filters into a nearby lake is given in the following table. Day Rate (kg/day) 0 7 8 8 00 The underestimate is The overestimate is i 16 10 24 13 The total quantity of pollution that enters the lake is 32 18 (a) Estimate the total quantity of pollution entering the lake during the 40-day period. Round your answer to the nearest integer. 40 (b) Your answer to part (a) is only an estimate. Give bounds (lower and upper estimates) between which the true quantity of pollution must lie. (Assume the rate of pollution is continually increasing.) kg. 35 kg. kg.
The value of a mutual fund increases at a rate of R = 450 dollars per year, where's is years since 2010. (a) Using/= 0, 2, 4, 6, 8, 10, make a table of values for R. Round your answers to two decimal places. 7 0 N 4 6 8 10 R(t) 4 (b) Use the table to estimate the total change in the value of the mutual fund between 2010 and 2020. Find an underestimate and an overestimate for the total change in the value of the mutual fund and average the two. Round your final answer to two decimal places. Total change is S eTextbook and Media