Find the Derivative $$y = 7 x ^ { - 2 } - 5 x ^ { 3 } + 2 x$$

question 137

Multiple Choice

Find the derivative.
- $$y = 7 x ^ { - 2 } - 5 x ^ { 3 } + 2 x$$

• A) \(- 14 x ^ { - 1 } - 15 x ^ { 2 }\)
• B) \(- 14 x ^ { - 3 } - 15 x ^ { 2 }\)
• C) \(- 14 x ^ { - 3 } - 15 x ^ { 2 } + 2\)
• D) \(- 14 x ^ { - 1 } - 15 x ^ { 2 } + 2\)

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