bubba8225 bubba8225

04-03-2019
Mathematics

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if a(x) is 3x+1 and b(x)is x-4 what is the domain of (b•a)(x)

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lastbenchstudent lastbenchstudent

04-03-2019

(b.a)(x)= b(a(x)) = b (3x+1)

= 3x+1 -4= 3x -3 = 3(x-1)

domain of b(a(x)) is domain of a(x) that is all real numbers

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solve for x 4^x-2=256