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Verified answer
Fog(x)= f(g(x))
= f(x - 4)
= (x - 4)² + 3(x - 4) - 4
= x² - 8x + 16 + 3x - 12 - 4
= x² - 5x
Verified answer
(fog)(x)=f(g(x))=f(x-4)
=(x-4)²+3(x-4)-4
=x²-8x+16+3x-12-4
=x²-5x