Directions: Answer all questions Each question is worth 4 points. You must show your handwritten work for all of these and clearly identify your answer. NO TYPED W'ORISLl I! You may print this assignment out and work directly on it or copy the problems and work on separate paper. When you are done you must upload it and send it to me as an attachment. Please use Blackboard. 1. Find the domain and range of the in'otion graphed below. Express your answer using interval notaou. Domain: Range: 2. Given f(x) 2 8x 1 and g(x) = 4 ' x2 a. Find the y (35D in termsxof x, in simplest form. I]. Find the g (1)) 3. Find the slope of the line connecting the points (7, 13] and (8,15), 4. A town's population has been growing linearly. In 2003, the population was 47,000 peopie. The population has been growing by 1700 people each year. a. Write an equation for the population, P, x years after 2003. b. Use the formula to find the population in 2009. 5. A phone company charges for service according to the formula C(31) = .1011 + 20, where n is the number of minutes talked and C (n) is the monthly charge, in dollars. If you budget $100 per month for phone service, how many minutes can you talk each month? 6. For a particular product, the supply equation is given by y = 7x + 291 and the demand equation is given by y = 6x + 512. Give the coordinate where supply and demand are equal. 7. Solve the equation: x2 + 2x = 0 8. Solve: x2 : 13x 4O 9. Find the roots using the quadratic formula. Leave your answers in simplest radical form. 3x210x5 :0 10. A bank features a savings account that has an annual percentage rate of 4.7% compounded quarterly. Don deposits $5,000 into the account. kt The account balance is modeled by the formula Mt) : a (1 + E) , whereA is account value after t years, a is principal, is is annual percentage rate, k is the number of compounding periods per year. How much money will Don have in the account in 7 years