-2 f(x) = x² + 3 a) Find f'(x). b) Identify the graph that displays f in blue and f' in red. A A. B. D. c) Using the graphs of f and f', indicate where f is increasing and decreasing. Give your answer in the form of an interval. NOTE: When using interval notation in WeBWorK, remember that: You use 'INF' for 0 and '-INF' for -0. And use 'U' for the union symbol. Enter DNE if an answer does not exist. f is increasing on f is decreasing on C.

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.