f(x) = x g(x) = 1 What is the domain of (gf) (x)? x does not equal 0 x does not equal -1 All real numbers

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.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Which expression is not a polynomial?