Posted by jeff on Monday, June 29, 2009 at 11:49pm.
is the function f(x)=x^2 increasing on decreasing at x = 1.
can anyone please check my reasoning:
the value of the derivative of the function at x=1 is 2, so that means the slope of the tangent line to the graph at that is a negative value so the function is decreasing at x = 1.

calculus  MathMate, Tuesday, June 30, 2009 at 12:28am
Correct!
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