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economic dependency ratio the economic dependency ratio is defined as the number of persons in the total population who
modeling us executions the table shows the numbers of executions in the us for selected years from 1990 to 2007a with x
modeling union membership the table gives the thousands of us workers who were union members for selected years from
determine whether the following is true or false if f0 0 then fx has a point of inflection at x
in problem use the derivative to locate critical points and determine a viewing window that shows all features of the
in each of problem a graph of fx is given use the graph to determine the critical values of fx where fx is increasing
production costs suppose that the average cost in dollars of producing a shipment of a certain product iswhere x is the
average costs suppose the average costs of a mining operation depend on the number of machines used and average costs
marginal revenue suppose the weekly marginal revenue function for selling x units of a product is given by the graph in
earnings suppose that the rate of change fx of the average annual earnings of new car salespersons is shown in the
for each function in problema find y fxb find the critical valuesc find the critical pointsd find intervals of
in problem both a function and its derivative are given use them to find critical values critical points intervals on
given that the line y 23x - 8 is tangent to the graph of y fx at x 6 finda f6b f6c the instantaneous rate of change
decide whether the following are true or falsea if f1 7 then fx is increasing at x 1b if f22 0 then a relative
if fx 7 3x - x3 then fx 3 - 3x2 use these functions to decide whether the following statements are true or falsea
in problem use the indicated points on the graph of y fx to identify points at which fx has a a relative maximum b a
use the graph of y fx in problem 1 to identify at which of the indicated points the derivative fxanbspchanges from