The number of crimes that occurred in a certain city per 1000 people had decreased from 45.8 in 1920 to 44.6 in 1950. Find the average rate of change in the number of crimes per 1000 people that occurred from 1920 to 1950. The average rate of change was (Round to the nearest hundredth as needed.)

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.