Question

Let f(x) = x^3 + 2x + 6. In order to prove that f(x) ->10 as x -> 2,
complete the following steps.
(a) Show that f(x) - 10 = (x - 2)(x^2 + 2x + 2).
(b) If |x - 2| < 1, prove that |x^2 + 2x + 2|< 17

Answer 1

ive already solved a)