Which of the following statements is incorrect?

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

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)