How do you find the derivative of $2x+ sin x$ ?

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Answer 1 · 2016-01-22T22:11:56

$2+cosx$

The derivative of this function is equal to the sum of the derivatives of each term.

That is, the derivative equals

$d/dx[2x]+d/dx[sinx]$

This boils down to knowing that $d/dx[kx]=k$ and that $d/dx[sinx]=cosx$ , so the derivative of the expression is

$2+cosx$

How do you find the derivative of 2x+ sin x2x+ sin x?