(05.05) Which inequality matches the graph? (2 points)
1 answer:
Answer: Choice C
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Explanation:
The boundary line is solid, so that means we'll be dealing with "or equal to" as part of the inequality sign. The answer is between choice A and choice C because of this.
Note how the point (0,0) is not in the shaded region. This must mean that plugging x = 0 and y = 0 into the answer will lead to a false statement.
If we plug x = 0 and y = 0 into choice A, then we get...
Which is a true statement, implying that (0,0) is in the shaded region. However, we're after a false statement, so we can rule out choice A.
The answer must be choice C
Let's plug (x,y) = (0,0) into choice C
That is false because 0 is not equal to 7, nor is it larger than 7.
This helps confirm that choice C is the answer.
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Answer:
72 ft
Step-by-step explanation:
Here, we want to get the maximum height the ball will reach
the maximum height the ball will reach is equal to the y-coordinate of the vertex of the equation
So we need firstly, the vertex of the given quadratic equation
The vertex can be obtained by the use of plot of the graph
By doing this, we have it that the vertex is at the point (3,72)
Thus, we can conclude that the maximum height the ball can reach is 72 ft
