isaiahmoremore isaiahmoremore

22-12-2021
Mathematics

contestada

If f(x) = -3 and g(x) = 4x2 + x - 4, find (f+9)(x).
2
A.
X
-1
A. 4x2 + 2x-1
B. 4x2 +
-7
C. 4x2 +2x-1
7
X-1
D. 6x2 - 7

If fx 3 and gx 4x2 x 4 find f9x 2 A X 1 A 4x2 2x1 B 4x2 7 C 4x2 2x1 7 X1 D 6x2 7 class=

Respuesta :

reinhard10158 reinhard10158

27-12-2021

Step-by-step explanation:

(f+g)(x) = f(x) + g(x) =

x/2 - 3 + 4x² + x - 4 = 4x² +3x/2 - 7

so, yes, B is the right answer.

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