Arectangle has consecutive sides that are represented by xx and x + 3x+3. find the expression that represents the perimeter of the rectangle

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 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i