Mikayla D.
asked 05/17/23True or false f(x) and f ‘ (x) have the same vertical translation
1 Expert Answer
Judah D. answered 05/17/23
Physics Student with 4+ years of tutoring experience
False.
The derivative of a constant is zero, hence any information about vertical translation is lost when you differentiate a function. For example: f(x)=x2 + 4 (vertically shifted upwards by four units) however, f'(x)=2x (no vertical shift)
If you have covered integrals yet, this is why you need to include a +C at the end of a indefinite integral, since derivatives eliminate any constants within the function.
Additionally you can conceptualize this with the idea that the derivative is just the slope of the tangent line. When a function is vertically translated, the slope of the tangent line at any point has not changed, and hence the derivative will not be affected by any vertical translations.
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Benjamin C.
Without knowing the functions this is difficult to answer. In general though, unless the function is periodic, ie y=sin(x), derivatives of cunctions will not be translations. If you can, add some more information.05/17/23