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Function
[tex]\tt (f\times g)(x)=f(x)\times g(x)[/tex]
f(x) = 4x-6
g(x) = 5x + 9
[tex]\tt (f\times g)(x)= (4x-6)(5x+9)\\\\(f\times g)(x)=20x^2+36x-30x-54\\\\(f\times g)(x)=20x^2+6x-54(option\:B)[/tex]