Suppose that a foreign language student learns /(r) = 201 - / vocabulary terms after / hours of uninterupted study, Where 0 $ 15 10 a) How many words has the student learned after 6 hours? b) Does the student learn more words per hour during the first or the last hour of study? 6 Use the graph right to answer each question: a Between which two consecutive points does the secant most B accurately represent the rate of change for that interval? b) Between which two consecutive points does the secant least accurately represent the rate of change for that interval? () Place a new dot, E, somewhere between the points C and D such that the resulting secant CE accurately represents the slope of the curve between C and E