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Mathematics
6 April, 23:36
What is the rate of change for f (x) = - 0.9x+665
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Miguel Yoder
6 April, 23:47
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The rate of change is - 0.9.
Since the function f defined by f (x) = - 0.9x + 665 is in slope-intercept form
f (x) = mx + b, we identify the coefficient on x to be the slope. And the slope is the rate of change.
For every one unit increase in x, y decreases by 0.9 units.
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