# math calculus

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What value must be defined for f(4) to remove the discontinuity of this function at x = 4?
f(x)= x^2-16/x-4

0
4
-4
8
-8

• math calculus -

for x ≠ 4, f(x) = x+4
so, f(4) = 8 to fill in the removable discontinuity.

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