At what value(s) of x on the curve y=10+250x3−3x5 does the tangent line have the largest slope?
Answer (separate by commas): x=
1
Expert's answer
2012-11-19T07:50:38-0500
tangent line slope is maximum where the derivative hasmaximum.
The derivative is y' = 250*3x^2-3*5x^4=750x^2-15x^4. y' has 2 maximums - at +(50)^{1/4} and at -(50)^{-1/4}. at this 2 points tangent line slope to y is the biggest
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