# Linear approximation

Practice approximating functions with local linearizations.
You might need: Calculator

### Problem

The local linear approximation to the function f at x, equals, 1 is y, equals, 2, x, plus, 8.
What is the value of f, left parenthesis, 1, right parenthesis, plus, f, prime, left parenthesis, 1, right parenthesis?
Please choose from one of the following options.