Math 1111 Test #2 Review Fall 2013. 1. Find f ° g.

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Presentation transcript:

Math 1111 Test #2 Review Fall 2013

1. Find f ° g

2. If f(x)= 3x - 4 and g(x) = x Find f + g A. x 2 + 3x - 1 B. 5x + 1 C. 5x - 1 D. x 2 + 3x + 1 Find f + g A. x 2 + 3x - 1 B. 5x + 1 C. 5x - 1 D. x 2 + 3x + 1

3. If f(x)= 3x - 4 and g(x) = x Find g – f A. x 2 – 3x + 9 B. x 2 – 3x - 9 C. –x 2 + 3x - 9 D. –x 2 + 3x + 9 Find g – f A. x 2 – 3x + 9 B. x 2 – 3x - 9 C. –x 2 + 3x - 9 D. –x 2 + 3x + 9

4. If f(x)= 3x - 4 and g(x) = x Find fg A. 3x B. 3x 3 – 4x x - 20 C. 3x D. 3x 3 + 4x 2 – 15x - 20 Find fg A. 3x B. 3x 3 – 4x x - 20 C. 3x D. 3x 3 + 4x 2 – 15x - 20

6. An even function is ____ A. Symmetric with respect to the x-axis B. Symmetric with respect to the y-axis C. Symmetric with respect to the origin D. None of the above A. Symmetric with respect to the x-axis B. Symmetric with respect to the y-axis C. Symmetric with respect to the origin D. None of the above

7. Which of the basic functions are symmetric with respect to the origin? A. Quadratic, Cubic and Square Root B. Absolute Value, Square Root & Cubic C. Cube Root, Square Root & Quadratic D. Cube Root, Reciprocal & Cubic A. Quadratic, Cubic and Square Root B. Absolute Value, Square Root & Cubic C. Cube Root, Square Root & Quadratic D. Cube Root, Reciprocal & Cubic

8. The graph of f(x) = (x – 3) can be found by moving the graph of y = x 2 A. 3 units down and 5 units to the right B. 3 units left and 5 units up C. 3 units right and 5 units up D. 3 units right and 5 units down A. 3 units down and 5 units to the right B. 3 units left and 5 units up C. 3 units right and 5 units up D. 3 units right and 5 units down

9. (5 – 8i) – (-4 + 3i) = A. 9 – 11i B. 1 – 5i C. 9 – 5i D. 1 – 11i A. 9 – 11i B. 1 – 5i C. 9 – 5i D. 1 – 11i

10. (5 – 2i)(-3 – 7i) = A. -1 – 29i B. -29 – 29i C. -29 – 41i D. None of the above A. -1 – 29i B. -29 – 29i C. -29 – 41i D. None of the above

12. i 531 = A. i B. –i C. 1 D. -1 A. i B. –i C. 1 D. -1

13. Solve: 10x 2 = 5x

14. Solve: 6x 2 – x – 1 = 0

15. Solve: x 2 – x + 4 = 0