What is (f multiplied by g)(x)? F(x)=x^2-5x+4
G(x)=x^3-1

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(F multiplied by g)(x)=

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.