View source for Graphing Functions and Their Derivatives

#When a first derivative is positive, the original function is increasing.
#When a first derivative is negative, the original function is decreasing.
##The derivative dose not tell us if function is positive or negative, only if increasing or decreasing.
#When a second derivative is positive, the original function is concave up.
#When a second derivative is negative, the original function is concave down.
#When a first derivative hits zero from below the axis, the original function is at a(n) local minimum.
#When a second derivative is zero, the original function is at a(n) inflection point.
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=test=
==test two==
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