Posted by ellen on Monday, October 3, 2011 at 5:27pm.
find all points at which the tangent line to the graph of y=x3 is parallel to the line y=27x+5

calculus  Steve, Monday, October 3, 2011 at 11:26pm
slope of the graph is 3x^2 for all x.
slope of the line is 27
so, for which x is 3x^2 = 27?