Blog

Instructions: Choose the best word from the box below to com…

Instructions: Choose the best word from the box below to complete the sentences. You will not use all of the words. reduce          run out of          image          pollute          climate crop          surplus          drought          resource          solar   The advertisements for the sports drink needed to show a fresh and youthful [1]. The tomato [2] froze in last week’s cold weather, so prices will be higher next spring. The state has had no rain in more than four months, and officials are now calling this a [3]. There are some scientists who predict that we will soon [4] the earth’s supply of petroleum. When there was a [5] of eggs at the store, not many people bought them. However, they were in higher demand when there was a shortage. Drastic changes in [6] are more noticeable with hotter summers and colder winters. Dangerous chemicals from the factory [7] the air in nearby neighborhoods. To [8] plastic consumption, many people are switching to reusable bottles.

The population of a country between 1921 and 2008 with proje…

The population of a country between 1921 and 2008 with projections to 2010 can be modeled as  [c1]([c2]) million people where is number of years since 1900.  What is the average rate of change of the population of this country from 19[year1] to 19[year2]?  (Hint: You’re given information about about the original quantity. Think very carefully about which one of the two formulas to use! We talked about this in the 5.8 lecture videos!) The units of your answer should be million people per year.   Round your answer to two decimal places.