Which has the greater rate of change, if either. Explains please, marking

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

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?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)