What are the domain restrictions of the expression?
2 answers:
h^2 - 12h + 20 can be factored to:
(h-10)(h-2)
These cannot be zero so, h cannot be 10 or 2.
Hello from MrBillDoesMath!
Answer: h <> 10 and h <> 2 ( <> means not equal)
Discussion
:
The domain restrictions are where the denominator is 0. In this problem that occurs when
h^2 -12h + 20 = 0.
Factoring this equation gives
(h-10) (h-2) = 0
So the values h = 10 and h =2 are NOT in the domain of this function,
Regards, MrB
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