A Sociologist Has Found That the Number of Serious Crimes

question 26

Multiple Choice

A sociologist has found that the number of serious crimes in a certain city each year is described by the function , where x (in cents/dollar deposited) is the level of reinvestment in the area in conventional mortgages by the city's ten largest banks. ​
Use differentials to estimate the change in the number of crimes if the level of reinvestment changes from 18 /dollar deposited to 26 /dollar deposited. Round to the nearest integer

• A)Decrease of 60 crimes/yr.
• B)Decrease of 24 crimes/yr.
• C)Decrease of 56 crimes/yr.
• D)Decrease of 57 crimes/yr.

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