Find the domain of the following function 2 fx x 8 Choose the correct domain

# Find the domain of the following function 2 fx x 8

• Test Prep
• 21

This preview shows page 6 - 9 out of 21 pages.

18. Find the domain of the following function. 2f(x) = x + 8Choose the correct domain below. b. x < –8 box3c. x box3d. all real numbers –8 __________________________________________________________________________________ 19. Determine whether the relation is a function. Identify the domain and the range. Part 1: Is the relation a function? No Part 2: The domain is { _____________ }. (Use a comma to separate answers as needed.)Part 3: The range is { ____________ }. (Use a comma to separate answers as needed.)__________________________________________________________________________________ 20. Find f(x) = mx + b so that f models the data, where x is the number of years since 2000. Then use f(x) to make the requested estimate. In 2005 the average adult ate 58 pounds of chicken and in 2010 this amount will increase to 62 pounds. Estimate chicken consumption in 2008. What is the model f(x) = mx + b? f(x) = ____________________ (Use integers or decimals for any numbers in the expression.) The estimate for chicken consumption in 2008 is ____________ pounds. (Use an integer or a decimal.) ___________________________________________________________________________________ 21. Graph the following inequality. y >5 ________________________________________________________________________________ 22. Factor the trinomial completely. (Write P if the expression is prime.)18m3– 24m2+ 8m = ________________________________________
MAT 1033 Common Final Review Packet Page 723. Use the FOIL method to find the product. (7s – u)(7s + 5u) The product is ___________________________________________. (Simplify your answer.)__________________________________________________________________________________ 24. Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number. The product of 9 and a number is 126. Find the number. Part 1: An equation for the given conditions is ___________________________________. Part 2: The number is x = _____________. ___________________________________________________________________________________ 25. Solve the equation. 3b2– 21b = 0 The solution set is { ____________ }. (Use an integer or a fraction. Use a comma to separate answers as needed.) ___________________________________________________________________________________ 26. Solve the system. 56310126x yx y+=+=What is the solution of the system? __________________________________________________________________________________ 27. Solve the inequality. Write your answer using set builder notation. 2355x-> -The solution set is {x|________________}. (Simplify your answer. Use an inequality. Use integers or fractions for any numbers in the expression.) __________________________________________________________________________________ 28. Perform the subtraction. (Simplify your answer.)
MAT 1033 Common Final Review Packet Page 829. A mother wants to invest \$13000 for her children's education. She invests a portion of the money in a bank certificate of deposit (CD account) which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is \$780, how much money was invested at each rate? Part1: How much money was invested in the CD account? \$____________ (Round to the nearest cent.) Part2: How much money was invested in savings bonds? \$____________ (Round to the nearest cent.) ___________________________________________________________________________________ 30. Find the slope of the line, and sketch the graph. x + 4 = 0 The slope is ____________ . (Write N if the slope is undefined.) __________________________________________________________________________________
• • • 