Answer: Exercise is useful not only in preventing
Chapter 7, Problem 60(choose chapter or problem)
Exercise is useful not only in preventing depression, but also as a treatment. The graphs at the top of the next column show the percentage of patients with depression in remission when exercise (brisk walking) was used as a treatment. (The control group that engaged in no exercise had 11% of the patients in remission.)
a. Find the slope of the line passing through the two points shown by the voice balloons. Express the slope as a decimal.
b. Use your answer from part (a) to complete this statement:
For each minute of brisk walking, the percentage of patients with depression in remission increased by _________%. The rate of change is _________% per __________________.
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