marisainfantemi2004 marisainfantemi2004

25-09-2020
Mathematics

contestada

f(x)= -2x - 7 and g(x) = -4x + 3 . Find (f • g)(-5)

Respuesta :

25-09-2020

Answer:

(f o g)(-5) = -53

Step-by-step explanation:

Step 1: Define

f(x) = -2x - 7

g(x) = -4x + 3

Step 2: Find f(g(x))

f(g(x)) = -2(-4x + 3) - 7

f(g(x)) = 8x - 6 - 7

f(g(x)) = 8x - 13

Step 3: Find (f o g)(-5)

(f o g)(-5) = 8(-5) - 13

(f o g)(-5) = -40 - 13

(f o g)(-5) = -53

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