From the graph when x is 1 what is y x y The rule is y x 3 2x 2 8x x y If x 4 what is x 3 2x 2 8x When is x 3 2x 2 8x 16 The rule is y x ID: 1020721
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1. The graph of a rule connecting x and y is shown. From the graph, when x is -1, what is y? xy
2. The rule is y = x3 + 2x2 – 8xxyIf x = -4, what is x3 + 2x2 – 8x?When is x3 + 2x2 – 8x = 16?
3. The rule is y = -x2 - 2x + 3xySolve-x2 - 2x + 3 = 4Solve-x2 - 2x + 3 = 0
4. The rule is y = -x2 - 2x + 3xyWhat is the maximum value of -x2 - 2x + 3?
5. y = 3 – 2xy = 2x + 1Here are the graphs of 2 rules. When does 3 – 2x = 5 ?When does 2x + 1 = 0 ?
6. y = 3 – 2xy = 2x + 1Here are the graphs of 2 rules. When does 3 – 2x = 2?When does 2x + 1 = 2?When does 3 – 2x = 2x + 1 ?