examine the continuity of the function f(x) = x²+5 at x = -1
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lim f(x)=(-1)^2+5=6
x_-1-
lim f(x) =6
x_-1+
and both are equals to f(-1)
This shows that the function is continuous at -1
x_-1-
lim f(x) =6
x_-1+
and both are equals to f(-1)
This shows that the function is continuous at -1
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