Question

fie functia F: R in R

f(x)=-x^2+2. aflati f(-2)

Answer 1

$f(-2)=-(-2)^{2}+2=-4+2=-2$

Answer 2

$f(x)=-x^2+2 \\ f(-2)=-(-2)^2+2=2^2+2 \\ f(-2)=6$