Asked by Michelle
Determine the points at which the function is discontinuous and state the domain using interval notation
f(u)=(4-u^2)/(7u+7π-u^2-uπ)
Please help.
f(u)=(4-u^2)/(7u+7π-u^2-uπ)
Please help.
Answers
Answered by
Steve
It is discontinuous where the denominator is zero, because division by zero is undefined.
so, where is
7u+7π-u^2-uπ
= 7(u+π)-u(u+π)
= (7-u)(u+π)
zero?
So the domain is all reals except those values.
so, where is
7u+7π-u^2-uπ
= 7(u+π)-u(u+π)
= (7-u)(u+π)
zero?
So the domain is all reals except those values.
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