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12.4 Exercise 50

Avg difficulty 2.5

Find k k such that the given line is tangent to the graph of the function.

f(x)= x 2 −kx, y=4x−9 \begin{matrix}f \left(x\right) = x^{2} - k x , & y = 4 x - 9\end{matrix}

OpenStax Precalculus 2e, 12.4 Derivatives, exercise 50

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.