Express the Function in Terms of X $f ( u ) = u ^ { 4 / 3 }$

question 203

Multiple Choice

Express the function in terms of x.
-If $f ( u ) = u ^ { 4 / 3 }$ and $u = x ^ { 7 } - 3$ , then express $\frac { 4 } { 3 } u ^ { 1 / 3 } \cdot 7 x ^ { 6 }$ in terms of $x$ alone.

• A) \(\frac { 28 } { 3 } \sqrt [ 3 ] { x ^ { 6 } - 3 }\)
• B) \(\left(\frac{28}{3} x\right)^{63} \sqrt{x^{7}-3}\)
• C) \(\frac { 4 } { 3 } x \sqrt [ 3 ] { 7 x ^ { 7 } - 3 }\)
• D) \(\frac { 28 } { 3 } x ^ { 6 } \sqrt [ 3 ] { x ^ { 7 } - 3 }\)

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