The following graph shows the distance s in meters a swimmer has traveled in t seconds. (See Example 4 in this section.) 60 50 40 30 20 (10, 22) 10 (5, 11) 5 10 15 20 25 (a) Find the slope of the line. (Enter a number.) 1115 (b) Write a sentence that explains the meaning of the slope in the context of this application. (Fill in the blanks. There are two answer The distance the swimmer has traveled is increasing at a rate of first blank (Enter a number.) second blank s/m

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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.