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If f(x)=5x^2-3 and g(x)=x^2-4x-8, find (f-g)(x)
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5 votes
If f(x)=5x^2-3 and g(x)=x^2-4x-8, find (f-g)(x)

User Edthrn
by
5.5k points

1 Answer

4 votes

Answer:

4x^2 + 4x + 3.

Explanation:

(f - g)(x)

= f(x) - g(x)

= 5x^2 - 3 - (x^2 - 4x - 6)

= 5x^2 - 3 - x^2 + 4x + 6

= 4x^2 + 4x + 3.

User Caladan
by
4.7k points
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