For a ride, a taxi driver charges an initial fare of $3.00 plus $0.40 for each 1515 of a mile driven. 1. Set up a liner model that gives the cost "c" of the ride in terms of miles "m" driven. 2. Using this model, find the how much it will cost for a ride of 20 miles? 3. If in a certain ride the total charge is $27.00, what is the distance travelled in miles?

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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.