Use the graph of the quadratic function to identify the solutions when y = 0.

a. x = 1 or x = 3
b. x = –1 or x = 3
c. x = 1 or x = –3
d. x = –1 or x = –3

Stella predicted that she would sell 56 sculptures. she actually sold 30 sculptures. what are the values of a and b in the table below? round to the nearest tenth if necessary.