Bridges in mathematics grade4 student book answer key

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

For what value of (y) is 3^3/3^y =1/9

Which graph represents the parent function of y=(x+2)(x-2)