Shaunah013 Shaunah013

16-10-2017
Mathematics

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Which type of function is the result of adding a quadratic function and a linear function?

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16-10-2017

Answer:

Always Quadratic

Explanation:

Let f(x)=ax2+bx+c (with a≠0),
and let g(x)=dx+e.

Then (f+g)(x)=ax2+(b+d)x+(c+e).
Since a≠0, this is quadratic every time.

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