Objects in image: Whiteboard
Text visible in image: f(x), =x2+5, =, 2, y=, f(x), Y=x2+5, x=y+5, 2, switch, x=y2+5, XEY, splve, y2+5, =, for, y, y2=x-5, vyz, VX-5, Y=1X-5, =f0)
Question: what do you solve for?
Answers: y, f(x), y, y, y, y, y, f-1 (x), unanswerable, f