McGraw Hill Glencoe Algebra 1 Texas, 2016
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McGraw Hill Glencoe Algebra 1 Texas, 2016 View details
Practice Test
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Exercise 1 Page 207

Practice makes perfect
a The independent variable is the input of a function, and the dependent variable changes depending on the value of the input. In this case, we have the following variables.
This is because is the horizontal axis, or the inputs, and is the vertical axis, or the outputs. Therefore, as the changes, so does the
b From the graph, we can see the intercepts — the points where the function crosses the axes.
The intercept shows that the temperature at is equivalent to The intercept shows that the temperature at is equivalent to