1. What is the degree of the polynomial p(x) = 2x5 - 6x4 + 2x2 + 7x - 9? A. 3 B. 5 C. 4 D. 2 Hint 2. When x3 - 4x2 + x - 5 is divided by x - 2, the quotient is _____. A. -11 B. x2 - 2x - 3 C. x - 2 D. x2 - x + 25 Hint 3. Find 4[p(x)] if p(x) = x2 - 3x + 2. A. x2 - 12x + 2 B. 16x2 - 12x + 2 C. 4x2 - 3x + 2 D. 4x2 - 12x + 8 Hint 4. One zero of h(x) = x3 - 3x2 + x + 5 is 2 - i. Which of the following is another zero? A. 1 B. 1 - 2i C. 1 - i D. 2 + i Hint 5. Which is not a possible rational zero of the function g(x) = 3x3 + 2x2 - 7x - 6? A. B. C. -3 D. Hint 6. Find the inverse of the function f(x) = 2x + 3. A. B. C. D. Hint 7. Which pair of functions are inverses? A. f(x) = 2x + 1, g(x) = 2x - 1 B. C. D. f(x) = 4x, g(x) = -4x Hint 8. Graph . Then estimate the coordinates at which the relative maxima and relative minima occur. A. minimum: 1, maximum: –3 B. minimum: –3,maximum: 1 C. minimum: 1,maximum: –5 D. minimum: –5,maximum: 1 Hint 9. Find consecutive values of x between which each real zero of the function is located. A. –1 and 0, 0 and 1, and 1 and 2 B. –1 and 0, 1 and 2 C. 0 and 1, 1 and 2 D. –1 and 0, 0 and 1 Hint 10. Solve x4 – 625 = 0 A. B. C. 5, 5i D. Hint 11. Which expression cannot be written in quadratic form? A. B. C. D. Hint 12. What is the height of a computer whose base is x2 + 4x + 4 and whose volume is x3 + 3x2 – 4? A. (x – 1)( x + 2) B. x + 2 C. x + 1 D. x – 1 Hint 13. Find all the zeros of . A. B. C. D. Hint 14. If a0 = 1 is the leading coefficient of a polynomial, which of the following cannot be a zero of the polynomial? A. 0 B. 119 C. D. 1 Hint 15. Given that and , find A. B. C. D. Hint 16. Let f and g be polynomials of degree 3. Is it true that ? A. No, never. B. It is true in some cases. C. Yes, always. D. No, it is only true for polynomials of degree 1. Hint 17. What are the x- and y-intercepts of ? A. x: 5, y: B. x: no intercept, y: C. x:, y: –5 D. x: –5, y: Hint 18. What is the domain and range of ? A. D: R: B. D: R: C. D: R: D. D: R: Hint