19. A certain herd of cattle grows exponentially. At year t= 5, there were 75 cattle. At year 1= 8, there were 120 cattle in the herd. a. Write an equation that models this situation to find the population P at year t. b. What is the growth factor in your equation? What is the annual growth rate?

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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.