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The document contains multiple choice questions about functions and equations. It asks the reader to identify sums and differences of functions, determine function values, find domains and ranges, and solve word problems involving functions. The final question is worked out, with the solution being -16.
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- 1. Chapter 8.1David Fanjoy, Melinda Brunner, Avalon Harris, Paige Johnson, Kathryne Forbes
- 2. What is the sum of these two equations?f(x)=5x + g(x)=x+7H(x)= 6x+7H(x)=6x2+7H(x)=5x2+7H(x)=5x2+ 35x
- 3. What is the difference of these two equations? F(x)=x2+3x – g(x)=4xH(x)= x2+7xH(x)=x2-xH(x)=7x+7H(x)=4x+12x
- 4. The ________states that the sum of multiple functions can be found by adding the y-coordinates of the functions at the x-coordinateThe Subposition PrincipleThe Supposition PrincipleThe Ordinate PrincipleThe Superposition Principle
- 5. If a hot dog vendor makes $3 a hot dog, and it costs him $100 to stay open per day, how many hot dogs must he sell every day to make a profit? 100503433
- 6. Two equations, 3x and 2x+15, which one will have a higher value after 20?3x2x+15
- 7. For the functions f(x)= 2x+ 4 and g(x)=x2+2What is f(2) –g(4)?1280-10
- 8. For the functions f(x)=2x2-4 and g(x)=x3What is f(4) – g(3)? -1012
- 9. What is the range of f(x) +g(x) when f(x)=2x+4 and g(x)=-2x-4?Y=4Y=2Y=0Y=8
- 10. If h(x)=f(x)+g(x) and f(x)=4x+2 and g(x)=x+3What is h(4)?15252931
- 11. If h(x)=-f(x)+-g(x) and f(x)=4x+2 and g(x)=x2What is h(2)?-161608