### Home > CALC > Chapter 5 > Lesson 5.2.1 > Problem5-56

5-56.

Find all values of $x$ for which the slope of the line tangent to $y = \frac { 1 } { 6 } x ^ { 3 } - 4 x ^ { 2 } + 9 x - 1$ is $5$

Find the slope function and set it equal to $5$.

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