there are 15 pieces of fruit in a bowl and 9 of them are oranges what is the percent of the peices of fruit in the bowl
1 answer:
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If the function is defined for all , it means that
is a point who doesn't belong to the domain of the function.
Now, since your function is a ratio, you can't have zero denominator. So, if a point nullifies the denominator, it can't belong to the function domain.
In your case, the denominator is , which is zero when
So, this function can't be evaluated at , and in other words, the function is defined when
, so that's the value for
.