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1.

2.

3. At what point does the following function have a removable discontinuity?

4. Which of the following functions is continuous at x = 3?

5. Which of the following is the equation of the tangent line to y = 3sin^{2}x at x = ?

6. What is ?

7. If , then f′(x) =

8. If , then =

9. Find the second derivative of x^{2}y^{2} = 2 at (2, 1).

10. If the line y = ax^{2} + bx + c goes through the point (2, 1) and is normal to y = x + 2 at the point (0, 2), then a = ?