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2-8.

Examine the function defined at right. Then estimate the values below.

  1. when

Look at the graph to estimate the -value for each of the given -values.

There are -intercepts on the graph.

For part (c), you are being asked to find the values for when . (Find the -intercepts).

This is a function machine where the rule is a graph.  Your teacher will have a model of the graph.