how about
y = (7/30)x^2 - (117/90)x + 2/3 , x ∈ {2,5,7}
(test it, it works)
Give an example of a function whose domain is {2,5,7} and whose range is {-1,0,3}?
2 answers
Which of the following is the graph of the linear function whose domain is -2, 2 and whose range is -1, 3?