Help me plz if u can plz try not to guess and thx

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Select the correct answer what is the 10th term of the geometric sequence 3,6, 12, 24,48 a. 512 b. 3,072 c. 768 d. 1,536