practice test 318

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Algebra 2
Practice Quiz 318

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1. Which is the domain for {(-1,2),(3,-4),(5,-9),(-3,4)} ? {-3,-1,3,5} {-9,-4,-1,4} cannot be determined	2. Which is the domain for y = 1/(x+4) x = -4 all real numbers except -4 all real numbers
3. Which is the domain for y = ? x = -4 all real numbers except -4 all real numbers greater than or equal to -4	4. Do the points in the given relation define a function? {(-1,2),(3,-4),(5,-9),(-1,4)} yes no cannot be determined
5. Which is the range for {(-1,2),(3,-4),(5,-9),(-3,4)}? {-3,-1,3,5} {-9,-4,2,4} cannot be determined	6. Which is the inverse relation of {(-1,2),(3,-4),(5,-9),(-3,4)}? cannot be determined {-3,-1,3,5} {(2,-1),(4,3),(-9,5),(4,-3)}

For f(x) = 2x + 10 and g(x) = 4 - x :
7. f(2) = 2x + 10 2 14	8. g(-1) = -5 5 3
9. f(g(2)) = -10 14 cannot be determined	10. g(f(2)) = -10 14 cannot be determined
11. f(x) - g(x) = x + 6 3x + 6 3x + 14	12. *f(x) g(x) =** 40 - 2x - 2x² cannot be determined 8x - 2x² + 40

For:
13. f(0) = 4 -4 cannot be determined	14. f(-1) = -6 5 3
15. Which are the solutions to 4x² = 6x - 2? x = 1 & 1/2 x = 1 there are no solutions	16. When given y = x² - 6x + 12, be prepared to explain, in writing, which method you would choose to find the solutions to the quadratic equation and give your reasons why.
17. When given y = \|x - 6\| + 2, be prepared to sketch the graph.	18. When given y = (x - 6)² + 2, be prepared to sketch the graph.

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