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Phoenix [80]
2 years ago
10

If f(x)=x-6 and g(x)=x^3, find G(f(x))

Mathematics
1 answer:
nika2105 [10]2 years ago
7 0

Answer:

\boxed{\sf g(f(x)) =  {x}^{4}  - 6 {x}^{3}}

Given:

\sf f(x) =x - 6 \\ \sf g(x) =  {x}^{3}

To find:

\sf g(f(x)) = f(x) \times g(x)

Step-by-step explanation:

\sf \implies g(f(x)) = f(x) \times g(x) \\  \\ \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:    = (x - 6)  \times  ( {x}^{3} ) \\  \\ \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:    =  ({x}^{3}   \times x) - (6 \times  {x}^{3}) \\  \\ \sf \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:    =   {x}^{4}  - 6 {x}^{3}

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