If , which inequality can be used to find the domain of f(x)?
Asked by wiki @ in Mathematics viewed by 323 People
Asked by wiki @ in Mathematics viewed by 323 People
Answered by wiki @
we have
we know that
The domain is determined of what's under the square root sign.
so
the term must be greater than or equal to zero
Solve for x
Adds both sides
Multiply by both sides
the solution is the interval---------> [20,∞)
therefore
the answer is
The inequality that can be used to find the domain of f(x) is
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