A snowplow has maximum speed of 35 miles per hour on a dry highway. Its maximum speed decreases by 1.6 miles per hour for every inch of snow on the highway. According to this​ model, at what snow depth will the snow plow be unable to​ move?     The equation used to model this situation is________where s is the maximum speed of the snowplow in miles per hour and d is the snow depth in inches.

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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.