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If a(x) = 3x + 1 and (x)= x-4, what is the domain of (boa)(x)?

User G Warner
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1 Answer

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Answer:


(b\circ a)(x)=3x-3 ; the domain is all real numbers

Explanation:


a(x) = 3x+1


b(x)=x-4


(b\circ a)(x)=b(a(x))=b(3x+1)=(3x+1)-4=3x+1-4=3x-3

Therefore, the domain of the composite function is all real numbers.

User Rubioli
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