Procedure: On the input and output ranges already drawn, use a flexible
ruler to mark off distances, as in the image below. Then use these calibrated input
and output ranges to collect and tabulate data showing the relationship between the
input and output variables. Show your results on the
Finding a Function Worksheet
We have used the words “input” and “output” to describe various features of the
salad tongs. The same terms show up in algebra, and are crucial to the concept of a
function. This activity explores the relationship between input and output
variables, and develops methods of showing the function that relates them.
The first step is to calibrate the input and output ranges traced in the previous
activity. This is done by marking distances along each range using a ruler.
We have used the words “input” and “output” to describe various features of the
salad tongs. The same terms show up in algebra, and are crucial to the concept of a
function. This activity explores the relationship between input and output
variables, and develops methods of showing the function that relates them.
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