jetblackcap jetblackcap
  • 24-09-2019
  • Mathematics
contestada

please help me out........!!!!!!!

please help me out class=

Respuesta :

jimrgrant1 jimrgrant1
  • 24-09-2019

Answer:

h(- 8) = - 8

Step-by-step explanation:

To evaluate h(- 8) substitute x = - 8 into h(x), that is

h(- 8) = [tex]\frac{(-8)^2+3(-8)}{4(-8)+27}[/tex]

        = [tex]\frac{64-24}{-32+27}[/tex]

       = [tex]\frac{40}{-5}[/tex] = - 8

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Background Info:The standard enthalpy of formation (ΔH∘f) is the enthalpy change that occurs when exactly1 mol of a compound is formed from its constituent elem