Identifying RF, RI, and RE

Which of the following is a rational function?

• f(x)=√5

• 𝑓(x)= (2𝑥−5)/x-1

• 𝑥+4 ≥ (2𝑥−5)/x-1

• (x-8)/4x = 20

How will you classify y=x²-16/ x+4?

• Rational Equation

• Rational Inequality

• Rational Function

• Rational Expression

What symbol must be placed in the blank to make the sentence rational equation:

_= (2x+5)/ 8

• f(x)

• y

• ≤

• 3

Which of the following is considered rational inequality?

• √5 ≤ 5

• y= (x+15)/3

• 8≥(2x+15)/14

• 𝑥 + 2 ≈ (𝑥+5 )/4

Which of the following is considered rational equation?

• 5x+ 8

• (𝑥²+25)/ x+5

• 6 = (√3𝑥+1)/x+2

• 3= (4x+1)/ 2x+2

In the equation: (2𝑥+3)/2𝑥+2 = 𝑥 + 8, what symbol must be replaced with 8 to make the equation rational function?

• y

• √5

• ≤

• 5x

What symbol is present in the equation 𝑦 = (√3𝑥²+3)/ 2𝑥+2 for not considering it as rational function?

• y

• =

• 2𝑥+2

• √3𝑥²+3

What symbol will be replaced with the " ≤ " sign in (2𝑥+5)/(3𝑥−5) ≤ 2𝑥² to make it a rational equation?

• ~

• ≈

• =

• ≡

How do you classify 3𝑥² /3𝑥 ≈ 3𝑦?

• Rational Equation

• Rational Function

• Rational Inequality

• None of these

Determine whether the given is a rational function, rational equation, rational inequality or none of these.

𝑥+2/𝑥−2 = 𝑦 + 3

• Rational Function

• Rational Equation

• Rational Inequality

• none of these