Question

Sixty-four teams entered a citywide soccer tournament. Half of the teams are eliminated after each round. Write a function for the number of teams left after x rounds.

Answer 1

f(x)=-1/2x+64

Explanation:

a function starts with f(x) so thats how i got the f(x) and im guessing this is talking about linear functions so they start of with 64 teams which is the y intercept and 1/2 are eliminated after each round which is -1/2 giving us f(x)= -1/2+64

Answer 2

x = (64 ÷ 2) ÷ r

Explanation:

x = teams

r = rounds

hope this helps :)