50 Points Please help, I’ll give brainliest if you explain

The equation respenting the left table is

In which form is the following function written? y = - 2(x – 3)(x + 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?