Find the derivative of the function f(x) = 2x² + 3x – 5 at x = –1. Also prove that f′(0) + 3f′(–1) = 0.

Question

TextDefinition of Derivative at a Point

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Find the derivative at x = 2 of the function f(x) = 3x.

Find the derivative of x² – 2 at x = 10.

Find the derivative of x at x = 1.

TextDefinition of Derivative at a Point

Find the derivative of 99x at x = l00.