Question
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Answer
To graph the function
and its transformations:
- Double the height:
makes the graph twice as tall. - Halve the width:
makes the graph twice as narrow. - Shift right and stretch:
moves the graph right by 1 and up by 2, then stretches it vertically by 3. - Reflect and stretch:
moves the graph left by 2, compresses it horizontally by 2, stretches it vertically by 2, and flips it upside down.
Please provide the original function
to complete the graphs.
Solution
To graph the function
and its transformations, we will follow these steps:
-
Graph
: This transformation vertically stretches the graph of by a factor of 2. -
Graph
: This transformation compresses the graph of horizontally by a factor of 2. -
Graph
: This transformation shifts the graph of to the right by 1 unit, vertically stretches it by a factor of 3, and then shifts it up by 2 units. -
Graph
: This transformation compresses the graph of horizontally by a factor of 2, shifts it to the left by 2 units, vertically stretches it by a factor of 2, and reflects it across the x-axis.
To create these graphs, we need to know the original function
. Please provide the function
so that we can proceed with the graphing.
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Mind Expander
To sketch the graphs of the transformed functions based on
, let’s take a closer look:
When you graph
, you’re stretching the original graph of
vertically by a factor of 2. This means that every point on the graph of
will be double its y-coordinate, making peaks higher and troughs deeper.
Now, for
, the graph is compressed horizontally by a factor of 2. Essentially, you will squeeze the graph of
towards the y-axis, so it will reach its values faster, making it look skinnier and taller.
Next, with
, you first shift the graph of
to the right by 1 unit (due to
), then stretch it vertically by a factor of 3. Finally, you move it up by 2 units. This combination results in a more pronounced graph, higher and offset right.
Lastly, for
, you will begin by reflecting the graph of
across the x-axis (the negative sign). Then, you compress it horizontally by a factor of 2. The
inside means you’ll shift the entire graph left by 2 units, and the whole graph will be stretched downwards by a factor of 2, creating a dramatically inverted shape.
By following these transformations, you can visualize how the graph morphs with each adjustment!