Question: 4. Which graph represents a function? B. C. D. 5. Given f (x) = x - 5, Find f(9). 6. Given f (x) = 2x


4. Which graph represents a function? B. C. D. 5. Given f (x) = x - 5, Find f(9). 6. Given f (x) = 2x - 6, Find f(-4). 7. Given g (x) = 3x + 9, Find g(x + 2). 3. Given f (x) = x* + 7x - 3, Find f(0). 9. Will the graph of the function f (x) = 3x* - 12x + 6 open up or open down? 10. Use the vertex formula to find the vertex of the function f (x) = 3x- - 12x - 6
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