find linear approximations for each of the following and put a bound on the error of the estimate.

1.

(7.985)^1/3 using f(x)=x^1/3 and a=8

2.
(.9997)^100 using f(x)=x^100 and a=1

please help explain please too

See:

http://www.jiskha.com/display.cgi?id=1291926261