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(fog)oh) (x)
→
nilai
(fog)(x)
=(g(x)) - 3
= (x²-4)-3
=x²-7
(fog)oh) (x)
(h(x)) ² - 7
(3-2x) ² - 7
9-12x+4x²-7
2-12x+4x²
jawabanya 2-12x+4x²