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If f'(x)=0 at each x of an open interval (a,b), then f(x)=C is a constant for all x in (a,b)
true or false?
can you explain why as well?
 one year ago
 one year ago
If f'(x)=0 at each x of an open interval (a,b), then f(x)=C is a constant for all x in (a,b) true or false? can you explain why as well?
 one year ago
 one year ago

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cwrw238Best ResponseYou've already chosen the best response.1
f'(x) is the slope of tangent at all points in (a,b) so the graph is a horizontal line so f(x) is a constant C
 one year ago
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