53000 rounded of to the nearest ten thousand

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%.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g