Find the inverse of y = x^2+5

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%.

Ten times the square of a non-zero number is eqaul to ninety times the number

The function f(x) is shown in this graph the function g(x)=6x