Which relation is a function? a) x = y2 - 3 b) x = y - 4x2 c) y2 = 4x - 6 d) x2 = y2 - 10

As a salesperson you get $50/day and $3.60/each sales you make. if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]

What is the value of the discrimination for the quadratic equation 0=×2+2+×2