Respuesta :

Answer:

f(- 2) = - 1

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x), that is

f(- 2) = 2(- 2) + 3 = - 4 + 3 = - 1

For [tex]2^{x}[/tex] + 3, then

f(- 2) = [tex]2^{-2}[/tex] + 3 = [tex]\frac{1}{4}[/tex] + 3 = 3.25

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