2. Ifs varies inversely as w when r = 4 and w = 8. Calculate the value ofr when w=-2
(3marks)

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.