Use the discriminant to determine the number and type of solutions the equation has.

x2 + 8x + 12 = 0

a. no real solution

b. one real solution

c. two rational solutions

d. two irrational solutions

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.