The derivative of the linear function is equal to $1$
$\frac{d}{dx}\left(x^2\right)+4$
Intermediate steps
5
The power rule for differentiation states that if $n$ is a real number and $f(x) = x^n$, then $f'(x) = nx^{n-1}$
$2x+4$
Final answer to the problem
$2x+4$
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The derivative of a function of a real variable measures the sensitivity to change of a quantity (a function value or dependent variable) which is determined by another quantity (the independent variable). Derivatives are a fundamental tool of calculus.