The population growth (P) at any time in a city is governed by the equation dP = (B- Dr)P, where 1 is the time (in years) and B and D are the birth and death di rate, respectively. If B=0.1, D=1x10 and P, = 10000 person, find: (a) Pat any time. (b) Pafter 10 years.

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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.