Acertain function f has the property that f(x+y)=
f(x)+f(y) for all values of x and y. which of the
following statements must be true when a=b?
i. f(a+b)=2f(a).
ii. f(a+b)=[f(a] to the power of 2.
iii. f(b) +f(b)=f(2a)

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.