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4. Let f(x)=-2x+7 and g(x)=-6x+3. Find f×g and state its domain
A. 12x^2-48x+21;all real numbers
B. -14x^2+36x-18;all real numbers except x=7
C. -14x^2+36x-18;all real numbers
D. 12x^2-48x+21;all real numbers except x=1

Respuesta :

the answer is A ...
I hope this helps you

(f.g) (x)=(-2x+7)(-6x+3 )

(f.g)(x)=12x^2-6x-42x+21

(f.g)(x)=12x^2-48x+21

A

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