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OpenStudy (anonymous):
Please help me! If f(x)=x^2-16/x+4 is continuous at x=-4, then f(-4) = ? I think its 0. Am I right?
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OpenStudy (anonymous):
Yeah cuz if you plug in -4 to the bottom it is zero.
OpenStudy (anonymous):
But they aren't waiting for me to find a way for the denominator not to equal 0?
OpenStudy (anonymous):
f(-4) means you plug that in for x.
OpenStudy (anonymous):
ok thanks
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