Question: 6. The function f has the property that f(x), f'(x), and f(x) are negative for all real values of x. Sketch a graph of f.

6. The function f has the property that f(x), f'(x), and f"(x) are negative for all real values of x. Sketch a graph of f. 7. Evaluate lim - x2-1 x-1 x-1 8. Sketch the graph of a function f (x) such that lim f (x) = 4 and f (2) = 6. 9. Find the x-values, if any, at which f is not continuous. a. f(x) = x2 - 2x+3 b. f (x ) = - x2- 1
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