Question

Help Please!!!

Find lim h → 0 f(x+h)-f(x)/h for the given function and value of x.

f(x) = -4x -1, x = 5

Answer 1

Explanation:

`\displaystyle \lim_(h \to 0) ([-4(x + h) - 1] - (-4x - 1))/(h)`

`\displaystyle \:\:\:\:\:\:\:\:\:=\lim_(h \to 0)(-4h)/(h)`

`\:\:\:\:\:\:\:\:\:=-4`