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Musya8 [376]
2 years ago
7

Let f(y) = y^4 - 3y^3 + y - 3 and g(y) = y^3 + 7y^2 - 2. Find f(y) + g(y). Write your answer as a polynomial with terms of decre

asing degree.
Mathematics
1 answer:
Anarel [89]2 years ago
5 0
<h3>Answer:   y^4 - 2y^3 + 7y^2 + y - 5</h3>

Work Shown:

h(y) = f(y) + g(y)

h(y) = (y^4 - 3y^3 + y - 3) + (y^3 + 7y^2 - 2)  

h(y) = y^4 - 3y^3 + y - 3 + y^3 + 7y^2 - 2  

h(y) = y^4 + (-3y^3+y^3) + 7y^2 + y + (-3 - 2)

h(y) = y^4 - 2y^3 + 7y^2 + y - 5

This is a fourth degree polynomial (aka quartic).

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2 years ago
Simplify the following expression.<br><br> 7d + 12 – 4d – 3
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Hello!

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You can also add or subtract by the numbers.

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Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

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