Question 1 of 10If the equation of a function is a rational expression, the function is rational.A.TrueB.False

A rational function is a function whose equation contains a rational expression.A.TrueB.FalseSUBMITarrow_backPREVIOUS

Question 4 of 10To make a sketch of any rational function whose numerator is a number and whose denominator is a factored polynomial, use the following rule of thumb:The function has a vertical asymptote at every x-value where its denominator is zero, and you can make a table for each vertical asymptote to find out what happens to the function there.A.TrueB.False

The function 𝐹(𝑥)=6𝑥−2𝑥+5F(x)= x+56x−2​ is an example of a rational function.A.TrueB.False

Which of the following is written as a rational function?A.P(x) = 7x + 1B.𝐹(𝑥)=𝑥−53𝑥F(x)= 3xx−5​ C.Q(x) = x2 + 6x - 3D.G(x) = -4xSUBMITarrow_backPREVIOUS

1. Suppose x is a nonzero real number such that both x 5 and 20x + 19 x are rational numbers. Prove that x is a rational number.