The graph models the depth of the water in a small fountain during a rainstorm. 1.write a linear function in the form y=mx+b for this line

The formula y = mx + b is said to be a linear function. That means the graph of this function will be a straight line on the (x, y) plane.  When the function for a line is expressed this way, we call it the 'slope-intercept form

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answer: 20

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c

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c

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