alejandrocamarillo20 alejandrocamarillo20

22-02-2019
Mathematics

contestada

If f(x)=4x^2+1 and g(x)=x^2-5 find (f-g)(x)
A. 3x^2+6
B. 3x^2-4
C. 5x^2-4
D. 5x^2-6

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Аноним Аноним

22-02-2019

Answer:

It's A 3x^2 + 6.

Step-by-step explanation:

(f-g)(x) = f(x) - g(x)

= 4x^2 + 1 - (x^2 - 5)

= 4x^2 - x^2 + 1 + 5

= 3x^2 + 6.

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