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For the Given Functions f(x)f(x) And g(x)g(x) , Find a Value xx For Which

Question 224

Multiple Choice

For the given functions f(x) f(x) and g(x) g(x) , find a value xx for which (fg) (x) =(gf) (x) (f\circ g) (x) =(g\circ f) (x) .
- f(x) =x3,g(x) =5x28x+5f(x) =x-3, g(x) =5 x^{2}-8 x+5


A) x=115x=\frac{11}{5}

B) x=45x=\frac{4}{5}

C) x=125x=-\frac{12}{5}

D) x=125x=\frac{12}{5}

Correct Answer:

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