What are the solutions of 8x2 = 6 + 22x? Check all of the boxes that apply.

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

What statement is true? 2x^2-9x+2=-1