All of the following are equivalent except .

Which of the following is true for the relation f(x)=2x^2+1

What is the value of x in the following equation? -3x-2=2x+8

What are the solutions of the equation? 6x^2 + 11x + 4 = 0 a. 4/3, 1/2 b. -4/3, -1/2 c. 4/3, -1/2 d. -4/3, 1/2