Based on the data in the diagram, find for which X values the graph of the function
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Based on the data in the diagram, find for which X values the graph of the function
The problem is asking us to identify for which values based on the graph provided, which seems to depict a quadratic function. Let's go step-by-step:
First, we need to determine the points where the function intersects the x-axis, which are the roots of the function. The graph shows these intersections at and . These are the points where the function is equal to zero, .
Next, we observe the overall shape of the graph to understand where (i.e., where the graph is above the x-axis). Typically for a quadratic function, which is a parabola, the parabola will be above the x-axis outside the roots if it opens upwards, and between the roots if it opens downwards, given that with root analysis on .
In the provided graph, the parabola appears to open upwards. Therefore, the function is positive when is less than the smaller root, , or greater than the larger root, . This is a typical behavior for a quadratic function which opens upwards, where it takes negative values inside the range of its roots and positive values outside.
Conclusively, for the intervals where or .
Therefore, the solution to the problem is or .
or
The graph of the function below does not intersect the \( x \)-axis.
The parabola's vertex is marked A.
Find all values of \( x \) where
\( f\left(x\right) > 0 \).
Look at the shape of the curve! If it looks like a U (lowest point in middle), it opens upward. If it looks like an upside-down U (highest point in middle), it opens downward.
At the x-intercepts (where the graph crosses the x-axis), . These points are not included when we're looking for where .
Both ways are correct! The word 'or' means either condition works, so the order doesn't matter. You can write it either way.
Look for where the graph is above the x-axis. These are the regions where the function values are positive. In this case, it's the left and right 'arms' of the parabola.
If the parabola just touches (doesn't cross) the x-axis, that's called a repeated root. The function would still be positive on one side and never negative, or vice versa.
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