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OpenStudy (anonymous):
How do I where f is increasing and/or decreasing for f(x)=2x-1?
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OpenStudy (anonymous):
You take the derivative and see where it's positive or negative. Or if you haven't taken calculus you can tell in this case just because it's linear and has a constant slope.
OpenStudy (anonymous):
f is constantly incresing because 2 is positive
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