Question

Na função f:R-R. Defina por (x) =x2 -2x+1 determine: a) f(0) b) f(2) c) f(-3)

Answer 1

f(0)=0.2-2.0+1
=0-0+1
f(0) =1

b) f(2)=2.2-2.2+1
4-4+1
0+1
1
c)f(-3)=(-3).2-2.(-3)+1
-6+6+1
0+1
1