Pls help my test is in a couple of hours and I can’t fail

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.

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date

Steven earns extra money babysitting. he changes $33.00 for 4 hours and $49.50 for 6 hour. enter an equation to represent the relationship. let x represent the number of hours steven babysits and y represent the amount he changes. the equation is y=