Problem 1 :
Do the following transformation to the function y = √x.
'A translation to the right by 3 units'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Problem 2 :
Do the following transformation to the function y = √x.
'A translation upward by 3 units'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Problem 3 :
Do the following transformation to the function y = √x.
'A reflection through the x-axis'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Problem 4 :
Do the following transformation to the function y = √x.
'A reflection through the y-axis'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Problem 5 :
Do the following transformation to the function y = √x.
'A horizontal expansion by a factor 0.5'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Problem 6 :
Do the following transformation to the function y = √x.
'A vertical expansion by a factor 0.5'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Problem 1 :
Do the following transformation to the function y = √x.
'A translation to the right by 3 units'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Answer :
Step 1 :
Since we do a translation to the right by 3 units, we have to replace x by x - 3 in the given function
y = √x
Step 2 :
So, the formula that gives the requested transformation is
y = √(x - 3)
Step 3 :
The graph y = √(x - 3) can be obtained by translating the graph of y = √x to the right by 3 units.
Step 4 :
The graph of the original function (given function).
Step 5 :
The graph of the transformed function.
Problem 2 :
Do the following transformation to the function y = √x.
'A translation upward by 3 units'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Answer :
Step 1 :
Because we do a translation towards upward by 3 units, we have to replace y by y - 3 in the given function
y = √x
Step 2 :
So, the formula that gives the requested transformation is
y - 3 = √x
or
y = √x + 3
Step 3 :
The graph y = √x + 3 can be obtained by translating the graph of y = √x toward upward by 3 units.
Step 4 :
The graph of the original function (given function).
Step 4 :
The graph of the transformed function.
Problem 3 :
Do the following transformation to the function y = √x.
'A reflection through the x-axis'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Answer :
Step 1 :
Since we do reflection transformation through the x-axis, we have to replace y by -y in the given function y = √x.
Step 2 :
So, the formula that gives the requested transformation is
-y = √x
Multiply each side by negative sign.
y = -√x
Step 3 :
The graph y = -√x can be obtained by reflecting the graph of y = -√x through the x-axis using the rule given below.
(x, y) ----> (x , -y)
Step 4 :
The graph of the original function (given function)
Step 5 :
The graph of the transformed function.
Problem 4 :
Do the following transformation to the function y = √x.
'A reflection through the y-axis'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Answer :
Step 1 :
Since we do reflection transformation through the y-axis, we have to replace x by -x in the given function
y = √x
Step 2 :
So, the formula that gives the requested transformation is
y = √-x
Step 3 :
The graph y = √-x can be obtained by reflecting the graph of y = √x through the y-axis using the rule given below.
(x, y) ----> (-x , y)
Step 4 :
The graph of the original function (given function)
Step 5 :
The graph of the transformed function.
Problem 5 :
Do the following transformation to the function y = √x.
'A horizontal expansion by a factor 0.5'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Answer :
Step 1 :
Since we do horizontal expansion by the factor 0.5, we have to replace x by 0.5x in the given function y = √x.
Step 2 :
So, the formula that gives the requested transformation is
y = √0.5x
Step 3 :
The graph y = √0.5x can be obtained by expanding the graph of the function y = √x horizontally by the factor 0.5.
(x, y) ----> (0.5x, y)
Step 4 :
The graph of the original function (given function)
Step 5 :
The graph of the function in which horizontal expansion made by the factor 0.5.
Problem 6 :
Do the following transformation to the function y = √x.
'A vertical expansion by a factor 0.5'
And also write the formula that gives the requested transformation and draw the graph of both the given function and the transformed function.
Answer :
Step 1 :
Since we do vertical expansion by the factor 0.5, we have to replace y by 0.5y in the given function y = √x.
Step 2 :
So, the formula that gives the requested transformation is
0.5y = √x
or
y = 2√x
Step 3 :
The graph y = 2√x can be obtained by expanding the graph of the function y = √x vertically by the factor 0.5.
(x, y) -----> (x, 0.5y)
Step 4 :
The graph of the original function (given function).
Step 5 :
The graph of the function in which vertical expansion made by the factor 0.5.
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