Which relation does not represent a function?
a.
{(3, 0), (0, 3)}
b.
{(6, -2), (5, -2)}
c.
{(3, 4), (3, 5)}
d.
{(5, 5), (-5, -5)}
e.
{(1, -2), (-2, 1)}

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Find the quotient with the restriction.

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for