The answer is 5.
Because take x=1 entry to the graph and going vertical until you intercept the curve, then read the value on the y axial
It would mean a nonzero integer. Due to the fact that a non-zero x a non-zero integer equals a nonzero integer. But here is the question, if the nonzero integer equals the amount of dog food my dog consumes how am I supposed to paint the walls red if the cat won't jump off the nonzero integer. The fish won't slide therefore the bird can't swim.