a) Find and interpret f(30). Identify this information as a point on the graph of f.  b) Does f(30) overestimate or underestimate the actual data shown by the bar graph? By how much? c) Find and interpret f(45). Identify this information as a point on the graph of f.  d) Does f(45) overestimate or underestimate the actual data shown by the bar graph? By how much?

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