Question in photo

Match the options

Thanks you!

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters