Seudónimo
Seudónimo
28-01-2017
Mathematics
contestada
If x = -4, calculate 2x squared - 5
Respuesta :
TheHero
TheHero
28-01-2017
You just substitute the value of x in the given equation:
f(x) = 2x^2 - 5
f(-4) = 2 (-4)^2 -5 = 27
f(x) : a name given to the equation
f(-4): refer to the equation when the value of the independent variable x has the value between the brackets.
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