The graph of f(x) = 2x^3+9x^2-108x+14 has two horizontal tangent lines. Find the two values of x where the tangents occur.© BrainMass Inc. brainmass.com March 4, 2021, 6:38 pm ad1c9bdddf
f(x) = 2x^3+9x^2-108x+14.
The slope of the tangent line to any function is equal to the first derivative of that ...
Horizontal tangent lines are examined. The solution provides a detailed and step-by-step explanation for the problem.