Second derivative [2.4]
The derivative of $f'(x)$
- $f(x)$ - Consider some function.
- $f'(x)$ - The derivative of this function represents:
- The instantaneous rate of change of the function at $x$
- The slope of a tangent line to $f(x)$ at $x$
- Has units of [units of $f$]/[units of $x$]
- On a graph of distance traveled, $f(t)$ vs time, $t$...
$f'(t)$ is the instantaneous velocity.
- $f''(x)$ - The second derivative of this function represents:
- the derivative of $f'(x)$
- the rate of change of $f'(x)$
- the rate of change of the slope of a tangent line to $f(x)$ at $x$.
- the slope of a tangent line to $f'(x)$ at $x$.
- Has units of [units of $f$]/[ (units of $x$]${}^2$
- For distance traveled, $f(t)$ vs time, $t$...
$f''(t)$ is the instantaneous acceleration.
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