How close must the input be to x = 2 for f(x) = 5x2 to be within

Question:

How close must the input be to x = 2 for f(x) = 5x2 to be within 0.1 of 20?
For the above function, find the input tolerance necessary to achieve the given output tolerance.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Question Posted: