Giving extra points if you can answer

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?