The weights and heights of six mathematics students are given in the following table: Weight (in pounds) Height (in centimeters) 165 172 123 157 212 183 175 178 165 163 147 167 In the statement, “Weight is a function of height,” which variable is the input and which is the output?
Answer
A
Height is input, weight is output
B
Both weight and height are the input
C
Weight is input, height is output
D
Both weight and height are the output
Explanation
In the statement “Weight is a function of height,” height is the independent variable: it is the input used to determine the weight. Weight depends on height, so it is the output. Therefore, the correct choice is “Height is input, weight is output.”
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