SOLUTION: f(x)=5x-1 f(x-h)-f(x) ___________ h

Algebra ->  Functions -> SOLUTION: f(x)=5x-1 f(x-h)-f(x) ___________ h       Log On


   



Question 160512: f(x)=5x-1

f(x-h)-f(x)
___________
h

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=5x-1
.
.
f%28x-h%29=5%28x-h%29-1=5x-5h-1
.
.
Now let's put it all together.
%28f%28x-h%29-f%28x%29%29%2Fh=%285x-5h-1-%285x-1%29%29%2Fh
%28f%28x-h%29-f%28x%29%29%2Fh=%285x-5h-1-5x%2B1%29%2Fh
%28f%28x-h%29-f%28x%29%29%2Fh=%28-5h%29%2Fh
%28f%28x-h%29-f%28x%29%29%2Fh=-5