Taking a Test

X varies directly with Y. Find the direct variation equation if y=18, x=2

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Which function has the domain x> -11?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.