Question: 3 If m(x)=x + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)? O5x +9x + 15x+27 25x +90x+84 0x2+5x+12

3 If m(x)=x + 3 and n(x) = 5x + 9, which

3 If m(x)=x + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)? O5x +9x + 15x+27 25x +90x+84 0x2+5x+12 O 5x +24

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