Find All X-Intercepts of the Function $$f ( x ) = x ^ { - 2 } + x ^ { - 1 } - 30$$

question 29

Multiple Choice

Find all x-intercepts of the function.
- $$f ( x ) = x ^ { - 2 } + x ^ { - 1 } - 30$$

• A)(6, 0), (-5, 0)
• B) \[\left( \frac { 1 } { 6 } , 0 \right) , \left( - \frac { 1 } { 5 } , 0 \right)\]
• C)(-6, 0), (5, 0)
• D) \[\left( - \frac { 1 } { 6 } , 0 \right) , \left( \frac { 1 } { 5 } , 0 \right)\]

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