9. Show that the function f() is continuous at 4.

Question

Question

Answer 1

Answer #1

SUMMARY:

1.If a function f is said to be continuous at a point c if and only if

f(c) = $limm$ f(x).

thus,three conditions must hold for f to be continuous at c

(a) f must be defined at c

(b) the limit of f at c must exist in $mathbb{R}$ .

(c) these two values must be equal.

solution as follows

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Answer 2

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