How do you find the instantaneous rate of change of $f(x)=(x^2-2)/(x+4)$ at $x=-1$ ?

Question

7113 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-04-04T13:19:24

You evaluate the derivative of your function then substitute the value of $x$ in it:
enter image source here

How do you find the instantaneous rate of change of f(x)=(x^2-2)/(x+4)f(x)=(x^2-2)/(x+4) at x=-1x=-1?