12-11-2020
Mathematics

contestada

HELP!!

Given f(x)= x^2 -3 and g(x)= x+2/x , find (g-f)(4). Show all work.

Respuesta :

mhanifa mhanifa

12-11-2020

Answer:

-8.5

Step-by-step explanation:

Given

f(x)= x^2 -3 and g(x)= x+2/x

To find

(g-f)(4)

Solution

(g-f)(4) =
g(4) - f(4) =
4+2/4 - (4² -3) =
4 + 0.5 - 16 + 3 =
-8.5

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