compare values of ∆y and dy of function if x changes

Compare the values of ∆y and dy if y = f (x) = x³+x²−x+2 and x changes

(a) from 2 to 2.06 and
(b) from 2 to 2.01

Quote:

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Originally Posted by asifrahman1988

Compare the values of ∆y and dy if y = f (x) = x³+x²−x+2 and x changes

(a) from 2 to 2.06 and
(b) from 2 to 2.01

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Do you remember the definitions? Recall that







and




In problem a) you have