Question
Select the graph that represents the function:
Ask by Pritchard Hanson. in the United States
Mar 24,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The graph of the function
is a parabola opening upwards with its vertex at
and y-intercept at
.
Solution
To analyze the function
and determine its graph, we can follow these steps:
-
Identify the type of function: This is a quadratic function in the standard form
. -
Find the vertex: The vertex of a quadratic function can be found using the formula
. -
Determine the direction of the parabola: Since the coefficient of
(which is ) is positive, the parabola opens upwards. -
Calculate the y-intercept: The y-intercept occurs when
. -
Plot key points: We can calculate a few points to get a better idea of the shape of the graph.
Let’s perform these calculations step by step.
First, we will find the vertex. The coefficients are
and
.
Now, let’s calculate the x-coordinate of the vertex:
Next, we will find the y-coordinate of the vertex by substituting
back into the function:
Now, let’s calculate this value.
Calculate the value by following steps:
Calculate the value by following steps:
- step0: Calculate:
- step1: Multiply the numbers:
- step2: Evaluate the power:
- step3: Calculate:
The y-coordinate of the vertex is. Therefore, the vertex of the function is at the point .
Next, let’s find the y-intercept by substituting
into the function:
Now we have two key points:
- Vertex:
- Y-intercept:
Since the parabola opens upwards, we can sketch the graph based on these points.
Now, let’s summarize the characteristics of the graph:
- The vertex is at
. - The y-intercept is at
. - The parabola opens upwards.
With this information, you can select the graph that matches these characteristics. If you have specific graph options, please provide them, and I can help you identify the correct one.
Answered by UpStudy AI and reviewed by a Professional Tutor
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Bonus Knowledge
To find the graph representing the function
, we can first rewrite it in vertex form or determine its vertex and intercepts. The vertex can be found using the formula
, where
and
. Here, the x-coordinate of the vertex is
(plugging it back gives the minimum value of
). The function is a parabola opening upwards, centered at
, and it crosses the y-axis at
. The x-intercepts can be calculated by setting the function equal to zero, resulting in the x-values where it intersects the x-axis.
For an engaging exploration, think of parabolas as roller coasters! The points where the coaster hits the ground (x-intercepts) and its peak thrill moments (vertex) are key locations everyone loves to see on graph rides!
Now, for real-world applications, this type of quadratic function can model various phenomena, like the trajectory of an object thrown in the air or even profit maximization scenarios in business! Understanding how parabolas behave can help predict outcomes in various fields, making them as useful as a map on a treasure hunt!