Fun fact in 1984 janet harris of sussex math

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team