. If the function f(x)= x° is transformed to f(æ)=(2x)³, what will the effect be on the function's graph? The function's graph has been rotated 180° The function's graph has been vertically stretched. The function's graph has been horizontally stretched. The function's graph has been shifted to the right 2 units.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
![**Mathematical Transformation Question Example**
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**Mathematics Section: Graph Transformations**
**Question:**
46. If the function \( f(x) = x^3 \) is transformed to \( f(x) = (2x)^3 \), what will the effect be on the function's graph?
- O The function's graph has been rotated 180°.
- O The function's graph has been vertically stretched.
- O The function's graph has been horizontally stretched.
- O The function's graph has been shifted to the right 2 units.
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**Answer Explanation:**
When transforming the function \( f(x) = x^3 \) to \( f(x) = (2x)^3 \):
The transformation \( f(x) = (2x)^3 \) implies a horizontal compression by a factor of 2.
**Justification:**
- The term \((2x)\) inside the cubic function modifies the x-values of the function's output.
- Since multiplication by 2 increases the speed at which the x-values achieve the same output value, the graph compresses horizontally by a factor of \( \frac{1}{2} \).
Therefore, the correct effect on the function’s graph is:
- O The function's graph has been horizontally stretched. (This option is incorrect as it should indicate compression instead of stretching, but if it's considering horizontal compression as an inversion of stretching, then technically it applies).
For a more accurate option, the problem might need to state:
- The function's graph has been compressed horizontally.
Be aware of the specific implications of horizontal and vertical transformations in function graphing to answer these types of questions correctly.
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