1.9 Modeling with Functions Name Homework Date Period Problems #1-4: Write an equation to model each scenario. 1. The total cost C of an item selling for x 2. The total cost is $8200 increased by 6% plus dollars if the sales tax rate if 7.25%. $9.75 for each item produced. ary to oble ond ecavort mart jol bleft wing lost a spolono of soon upsy cobia saw comd 2 3. A right circular cylinder with height h and base 4. A rectangle with base x and heighty has a radius r has a total surface area of 80m square perimeter of 150 ft. Express the area A of inches. Express the volume of the cylinder as a the rectangle as a function of its base x. function of r. atasaw a Problems #5-13: Answer each question. 5. P(x, y) is an arbitrary point on the circle x2 + y? = 1. Express the distance d from P to the point A = (3,0) as a function of the x-coordinate of P. State the domain and range of the function