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Experimental studies directly influence subjects to see the effect, whereas observational studies do not directly influence the subjects.
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Here are graphs of two functions
Graph of functions f and g on grid. Horizontal x axis from negative 3 to 3, by 1’s. Vertical axis from negative 10 to 20, by 10’s. Function F begins near negative 3 comma negative 3, curves upwards and to the right until 0 comma 10, then curves downwards and to the right until about 3 comma negative 3. Function G begins approximately negative 3 comma 23, curves downwards and to the right until 0 comma 5, then curves upwards and to the right until about 3 comma 23. Functions intersect at approximately negative 1 point 25 comma 8 and 1 point 25 comma 8.
Which statements are true about the graph of
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