# Calculus

posted by
**Z32**
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Use linear approximation, i.e. the tangent line, to approximate (the 3 is inside the v part if you know what I mean, it's not 3 times sqrt) 3√125.2 as follows: Let f(x) = 3√x. The equation of the tangent line to f(x) at x=125 can be written in the form y=mx+b where m is ____ and where b is _____

Using this, we find our approximation for 3√125.2 is _____

(again, all the 3√, the 3 is inside the v, not 3 times sqrt)