The figure shows the average daily population of a jail in the United States during the 1990s. j(t) inmates 800- 700 WebAssign Plot 600 500 t years since 1990 (a) For what input value is the line tangent to the graph not defined? (b) Does the graph appear to be continuous at this input value? Explain. The graph ---Select--- continuous at this point because the graph ---Select--- be traced without lifting the pencil from the page. (c) Why is the tangent line not defined at this input value? The limit of secants from the right ---Select--- the limit of secants from the left at this point.

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