Question
Solve the given problems by finding the appropriate derivative.Explain why the curve $y=5 x^{3}+4 x-3$ does not have a tangent line with a slope less than 4.
Step 1
The derivative of a function gives us the slope of the tangent line at any point on the curve. The derivative of $y$ with respect to $x$ is given by: \[\frac{d y}{d x}=\frac{d}{d x}(5 x^{3}+4 x-3)\] Show more…
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