If
find the values of x and y.

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

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.