How fast should a roller coaster be moving at the top to prevent any passengers from falling out?
#PreCalculus In this video, we discuss what piecewise functions are, what they are used for, how to graph them, and how to determine their domain and range. We also investigate the domain and range of our previously established parent functions. We’re using the OpenStax Precalculus book available for free at https://openstax.org/details/books/precalculus This section: http://bit.ly/Prec01_2 Assignment:…
Finishing up our 3×3 matrix inversion Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/precalculus/precalc-matrices/inverting_matrices/e/matrix_inverse_3x3?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus Watch the next lesson: https://www.khanacademy.org/math/precalculus/precalc-matrices/inverting_matrices/v/inverting-matrices-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus Missed the previous lesson? https://www.khanacademy.org/math/precalculus/precalc-matrices/inverting_matrices/v/inverting-3×3-part-1-calculating-matrix-of-minors-and-cofactor-matrix?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus Precalculus on Khan Academy: You may think that precalculus is simply the course you take before calculus. You would be right, of course, but that definition doesn’t mean anything unless…
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