Find and simplify.
f(x) = 5 − x^2
(a)f(x + h) − f(x)
(b)[f(x + h) − f(x)]/h
Thank You.
For (a):
f(x + h) - f(x)
f(x) = 5 - x^2
f(x + h) = 5 - (x + h)^2
Now we have:
[5 - (x + h)^2] - (5 - x^2)
For (b):
[5 - (x + h)^2] - (5 - x^2) / h
Simplify the above.
I'll let you take it from here.
