Respuesta :
Use the substitution method
F(-2)=x^2-3
=(-2)^2-3
Use PEMDAS
P= parenthesis
E= exponents
M=multiplication
D=division
A=addition
S=subtraction
Do (-2)^2 first then -3
Put down (-2)(-2) two times because of the exponent
-negative number * -negative number= +positive number
4-3
=1
Answer: 1