Simplify the expression. Include absolute value bars where necessary.
-$$\sqrt [ 4 ] { ( x + 81 ) ^ { 4 } }$$
A) $| x + 3 |$
B) $x + 3$
C) $x + 81$
D) $| x + 81 |$

Name: Simplify the expression. Include absolute value bars where necessary. -\[\sqrt [ 4 ] { ( x + 81 ) ^ { 4 } }\] A) $| x + 3 |$ B) $x + 3$ C) $x + 81$ D) $| x + 81 |$
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Question

Quizplus · Accepted Answer

The fourth root of a fourth power simplifies to the absolute value of the base, hence $| x + 81 |$.

Simplify the Expression (x+81)44\sqrt [ 4 ] { ( x + 81 ) ^ { 4 } }4(x+81)4​

Simplify the Expression $\sqrt [ 4 ] { ( x + 81 ) ^ { 4 } }$