Watch the video and then solve the problem given below. Percentage of College Graduates for a Country Ages 25 and Older Click here to watch the video. 40- The bar graph shows changes in the percentage of college graduates for a country ages 25 and older from 1990 to 2010. In 1990, 18.2% of women ages 25 and older had graduated from college. On average, this percentage has increased by approximately 0.5 each year. Write a formula for the nth term of the arithmetic sequence that models the percentage of women ages 25 and older who had graduated from college n years after 1989. 35- 30- 28.2 27.5 24.2 25- 18.2 20- 10- 1990 2010 Year Male Female The formula for the nth term of the arithmetic sequence is a, = (Use integers or decimals for any numbers in the expression.) Percentage of College Graduate

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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.