Respuesta :

Answer:-27/7

Step-by-step explanation:

f(x)=3/(x+2) -√(x-3)

f(19)=3/(19+2)-√(19-3)

f(19)=3/21 - √(16)

f(19)=1/7-4/1

f(19)=(1 x 1 - 7 x 4)/7

f(19)=(1-28)/7

f(19)=-27/7

Answer:

its -3.857

Step-by-step explanation:

a p e x