Write the Expression with Only Positive Exponents and Evaluate If $- x ^ { - 4 }$

question 512

Multiple Choice

Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real
numbers.
- $- x ^ { - 4 }$

• A) \(\frac { 1 } { x ^ { 4 } }\)
• B) \(4 x\)
• C) \(- 4 x\)
• D) \(- \frac { 1 } { x ^ { 4 } }\)

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