Respuesta :

Answer:

-3

Step-by-step explanation:

You replace the x in the equation for 5 so the problem to work it out would be f(x)=-2(5)+7

then you just solve the equation normally

Answer:

  • -3

Step-by-step explanation:

f(x)=-2x+7

f(5)=-2×5+7

=-10+7

=-3