The interval in which the quadratic equation decreases is:
(5, ∞).
When is the function decreasing?
The function decreases when, reading from left to right, we can see that the function goes downwards.
In this particular graph, we can see that the vertex is at the point (5, 4). And after that, the right arm goes downwards.
Then for the values of x > 5 the function decreases.
Then the interval in which the quadratic equation decreases is:
(5, ∞).
If you want to learn more about quadratic functions:
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