If the Function Is One-To-One, Find Its Inverse $$f ( x ) = 7 x ^ { 3 } + 6$$

question 154

Multiple Choice

If the function is one-to-one, find its inverse. If not, write ʺnot one-to-one.ʺ
- $$f ( x ) = 7 x ^ { 3 } + 6$$

• A) \(f ^ { - 1 } ( x ) = \sqrt [ 3 ] { \frac { x + 6 } { 7 } }\)
• B) not a one-to-one
• C) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \sqrt [ 3 ] { \frac { \mathrm { x } - 6 } { 7 } }\)
• D) \(f ^ { - 1 } ( x ) = \sqrt [ 3 ] { \frac { x } { 7 } } - 6\)

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