Determine all numbers at which the function is continuous . f(x)= x^ 2 -2x+2 x^ 2 -(x+2 &if x+2\\ 1 2 &if x=2 x ne2 x = 2 a continuous at every real number except x = 2 and x = 1 b . continuous at every real number except x = 4 continuous at every real number except x = 2 d. continuous at every real number except x = 4 and x = 2

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?