use substitution to write an equivalent quadiatic equation
( 3x^2)^2+7(3x +2) -8=0

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.