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F(x) = square root x+9 ; g(x) = 8x - 13
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F(x) = square root x+9 ; g(x) = 8x - 13

User Orun
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1 Answer

2 votes
Take the value of g(x) and plug it into the x inside the radicand for F(x).

F(g(x)) = sqrt{8x - 13 + 9}

F(g(x)) = sqrt{8x - 4}

Done!
User DSchana
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