GM everyone free points and come fast tho

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

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer