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- Equation of the line tangent to the graph of f(x)=(x)(1-2x)^3 at (-1,1).Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm your results. Function Point f(?) = 5 sin ? − ?, (0, 0) f '(0) =1. If the first derivative is zero and the second derivative is positive, what can be concluded in the graph? How can this be represented using a sketch? 1. If the first derivative is negative and the second derivative is zero, what can be concluded in the graph? How can this be represented using a sketch?
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