The range of the function y=3x-2 is 1, 7, 13, 16 , and 19. Which number is in the domain of the function ?

Answer 1

range is value of y
so y=3x-2 substitute each following 1, 7, 13, 16 , and 19 into y and solve for x should be the domains
x {1,3,5,6,7 }