Question

The linear approximation at x = 0 to f(x) = \sqrt { 1 + 3 x } is y =?

Answer 1

@OOOPS

Answer 2

Is it not English??

Answer 3

just plug x =0 into f(x) you have f(x) =1, that is y

Answer 4

no need to be rude. i obviously didn't understand how to approach it.

Answer 5

what is rude?? How can you take my reply is rudeness?? At the first glance, I saw the tag from English section, I assumed I would answer an English question. Whatsoever, I gave you the answer.