Let
f
(
x
)
=
(
x
+
4
)
2
\displaystyle {f{{\left({x}\right)}}}={\left({x}+{4}\right)}^{{2}}
f
(
x
)
=
(
x
+
4
)
2
Find a domain on which
f
\displaystyle {f}
f
is one-to-one and increasing. Use oo for infinity and -oo for negative infinity.
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Enter your answer using interval notation. Example: [2.1,5.6172)
Use U for union to combine intervals. Example: (-oo,2] U [4,oo)
Enter DNE for an empty set. Use oo to enter Infinity.