Document 1 From Food Gathering To Food Producing
.. Paleolithic men could not control their food supply. So long as they relied on foraging,
hunting, fishing, and trapping, they were dependent on the natural food supply in a given
area to keep from starving, But while Paleolithic men continued their food gathering pattern
of existence in Europe, Africa, and Australia, groups of people in the Near East began to
cultivate edible plants and to breed animals. Often described as the "first economic
revolution" in the history of man, this momentous change from a food-gathering to a
food-producing economy initiated the Neolithic Age. Paleolithic man was a hunter: Neolithic
man became a farmer and herdsman...
Source: T. Walter Wallbank, et al., Civilization: Past and Present, Scott, Foresman and Company from
the January, 2010 NYS Global History and Geography Regents Examination
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After a dreary day of rain, the sun peeks through the clouds and a rainbow forms. you notice the rainbow is the shape of a parabola. the equation for this parabola is y = -x2 + 36. graph of a parabola opening down at the vertex 0 comma 36 crossing the x–axis at negative 6 comma 0 and 6 comma 0. in the distance, an airplane is taking off. as it ascends during take-off, it makes a slanted line that cuts through the rainbow at two points. create a table of at least four values for the function that includes two points of intersection between the airplane and the rainbow. analyze the two functions. answer the following reflection questions in complete sentences. what is the domain and range of the rainbow? explain what the domain and range represent. do all of the values make sense in this situation? why or why not? what are the x- and y-intercepts of the rainbow? explain what each intercept represents. is the linear function you created with your table positive or negative? explain. what are the solutions or solution to the system of equations created? explain what it or they represent. create your own piecewise function with at least two functions. explain, using complete sentences, the steps for graphing the function. graph the function by hand or using a graphing software of your choice (remember to submit the graph).