section 3.2 notes writing the equation of a function given the transformations to a parent function
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Section 3.2 Notes
Writing the equation of a function given the transformations to a
parent function
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Section 3.2 Notes:
Let f(x) be any parent function. Write the equation for g(x) in terms of f(x) if f(x) is…
translated 5 units left and 2 units up.
5g x f x g x f x 5 2g x f x
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Section 3.2 Notes:
Let f(x) be any parent function. Write the equation for g(x) in terms of f(x) if f(x) is…
reflected across the x-axis and horizontally expanded by a factor of .
g x f x g x f x 1
2g x f x
2
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Section 3.2 Notes:
Let f(x) be any parent function. Write the equation for g(x) in terms of f(x) if f(x) is…
reflected across the y-axis, vertically expanded by a factor of 3, and translated down 5 units.
g x f x g x f x 3g x f x 3 5g x f x
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Section 3.2 Notes:
Let f(x) be any parent function. Write the equation for g(x) in terms of f(x) if f(x) is…
translated right 3 units, up 4 units and
horizontally compressed by a factor of .
3g x f x g x f x 3 4g x f x 5 3 4g x f x 5 3 4g x f x
1
5
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Let f(x) be any parent function. Write the equation for g(x) in terms of f(x) if f(x) is…
1. translated right 7 units, down 8 units, and reflected across the x-axis.
2. reflected across both axes and vertically compressed by a factor of .
3. reflected across the y-axis and translated 5 units left.
4. reflected across the x-axis, translated down 9, and horizontally expanded by a factor of 3.
4
5
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Answers to practice problems:
1.
2.
3.
4. 19
3g x f x
5g x f x
4
5g x f x
7 8g x f x