
How do you sketch the graph of and how does it compare to the parent function ?
Answer
443.4k+ views
Hint: A graph of a function f is the set of ordered pairs; the equation of graph is generally represented as , where x and are real numbers. We substitute the value of x and we determine the value of y and then we mark the points in the graph and we join the points. The graph for the function can be plotted by using the graphical transformations.
Complete step by step solution:
Here, in the given question, we have to plot the graph for the given function. A graph of a function is a set of ordered pairs and it is represented as , where x and are real numbers. These pairs are in the form of cartesian form and the graph is the two-dimensional graph.
First, we have to find the value of y by using the graph equation .
Let us substitute the value of x as .
Now we consider the value of x as , the value of y is
Now we consider the value of x as , the value of y is
Now we draw a table for these values we have
We also know the nature of the graph of square root function. Hence, we can now plot the graph of the given function . The graph of the function can also be plotted using the graphical transformation. We know that the graph of represents a parabola facing rightwards.
So, also represents a parabola facing rightwards with a slight change in vertex of the parabola. So, in comparison to the parent function , there is just a change in the vertex of the parabola.
The graph plotted for these points is represented below:
Note: The graphical transformations of the functions help us to easily plot graphs of complex and derived functions using the nature of the graphs of parent functions. Functions are plotted with the help of coordinates of the points lying on it.
Complete step by step solution:
Here, in the given question, we have to plot the graph for the given function. A graph of a function is a set of ordered pairs and it is represented as
First, we have to find the value of y by using the graph equation
Let us substitute the value of x as
Now we consider the value of x as
Now we consider the value of x as
Now we draw a table for these values we have
x | | | |
y | | | |
We also know the nature of the graph of square root function. Hence, we can now plot the graph of the given function
So,
The graph plotted for these points is represented below:

Note: The graphical transformations of the functions help us to easily plot graphs of complex and derived functions using the nature of the graphs of parent functions. Functions are plotted with the help of coordinates of the points lying on it.
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