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Maurinko [17]
3 years ago
10

The expression log 3 (x-4) is undefined for all values such that

Mathematics
1 answer:
suter [353]3 years ago
7 0
Translate it

remember that log_a(b)=c translates to a^c=b
so we can say it equals y
so
log_3(x-4)=y translates to 3^y=x-4

we want to find the values of x that make it undefined
well, we know that 3^y must be greater than 0
so we do
it is defined for
x-4>0
add 4
x>4

it is defined for all values such that x>4
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