For which pairs of functions is (f*g)(x)=x? a. f(x)=x^2 and g(x)=1/x b. f(x)=2/x and g(x)=2/x c. f(x)=x-2/3 and g(x)=2-3x d. f(x)=1/2x-2 and g(x)=1/2x+2

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

How many solutions does the nonlinear system of equations graphed bellow have?