functions of the form
Parameters a, b, c and d, defining function f are changed and their effects analyzed.
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1 - click on the button above "click here to start" and MAXIMIZE the window obtained. The graph of the logistics function is displayed.
2 - What happens to the graph of the function as x increases? Change parameter a and see what happens. Find an analytical explanation.
3 - Set parameters a, b and d to constant values and change c. What happens to the graph? Find an analytical explanation.
4 - Set parameters to constant values and change d. What happens to the graphs? Find an analytical explanation.
ANSWERS TO THE ABOVE QUESTIONS
2 - As x increases, f(x) approaches a constant value equal to parameter a. y = a is a horizontal asymptote.
3 - The whole graph is shifted to the right when increases and to the left when decreases.
4 - For small values of d, the graph changes rapidly. For larger values of d the graph changes slowly.
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