gabby8564 gabby8564

06-09-2019
Mathematics

contestada

(01.08)
Let f(x) = x + 7 and g(x) = x - 4. Find f(x) · g(x).
A x2 – 3x - 28
B Ox² – 3x - 11
C Ox2 + 3x - 28
D 0x² + 3x-11

Respuesta :

ghanami ghanami

06-09-2019

Answer:

answer : C

Step-by-step explanation:

Let f(x) = x + 7 and g(x) = x - 4.

f(x) · g(x)=(x+7)(x-4) = x² -4x+7x -28

f(x) · g(x)=x² +3x -28 ....answer : C

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