8. If ƒ(x) = − x² + x, which expression represents ƒ (x) ? A. −−(x+h)²+(x+h)-(-x²+x) h B. −−¯(x+h)²+(x+h)-x²+x_ C. [-(x+h)²+(x+h)]-(-x²+x) D. —-x²+x+h]-(-x²³+x) 9. The graph of g (x), the derivative of a function g(x), is shown at right. Which of the following statements is/are true? I. The graph of g(x) has horizontal tangent line when x = 3. II. The graph of g(x) is decreasing on the interval from (-∞, - 2). III. The graph of g(x) is increasing when x =- 4. A. I and III B. I only C. II only D. I and II 10. The equation 12x - 0.5= graph A. 12 C. 9 of g(x) when x = 1. What is g (- 1)? Ⓒ Jean Adams Flamingo Math™, LLC --4-3-2-1 B. - 4 3(y + 6) represents the equation of the tangent line to the y=g'(x) D. undefined 12

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