consider f(x)= square root of x^2-1 and g(x) = square root of x^2+1. what values of x would make f(g(x)) and g(f(x)) cumulative

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14