Which of the following relations is a function?
A. (0,4), (-1, 6), (0, 3), (-7, 2)
B. (6,1), (-1, 4), (0, 1), (6, 2)
C. (0,4), (-1, 2), (6, 1), (-7, 2)
D. (0,0), (-1, 3), (6, 1), (-1,5)

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?

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

What ia the sum if the first 7 terms of the geometric series