Question: If y = x4 + 2.1, find the values of y and dy in each case. (a) x = 2 and dx = x =

If y = x4 + 2.1, find the values of Δy and dy in each case.
(a) x = 2 and dx = Δx = 1
(b) x = 2 and dx = Δx = 0.005

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