infinitemoes
Let f (x) = –5x + 3 and g(x) = 6x – 2. Find f • g and its domain...



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surdawi
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f(g(x)) does that help

BeautyQueen327
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f • g means replace every variable in F(x) with G(x)

BeautyQueen327
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so 5(6x2)+3

BeautyQueen327
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30x+10 +3
30x+13

BeautyQueen327
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the domain is all x values. so think of it this way, what x values can you put into that function to get a real number?