The phone company Blurizon has a monthly cellular plan where a customer pays a flat fee for unlimited voice calls and then a certain amount per GB of data used. If a customer uses 8 GB, the monthly cost will be $62. If the customer uses 20 GB, the monthly cost will be $110. A) Find an equation in the form y = mx + b, where z is the number of GB of data used in a month and y is the total monthly cost of the Blurizon plan. Find both the Point-Slope (use first point) and the Slope Intercept form of the line: Point Slope form: Slope Intercept form: B) Use your equation to find the total monthly cost if 14 GB are used. Answer: If 14 GB are used, the total cost will be dollars.

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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.