Step-by-step explanation:
f(1)= 5(1)^2 -4(1)+ 5
= 5-4 +5. =6
f(-1) = 5(-1)^2 -4(-1) +5
= 5+4+5= 14
f(0)= 5(0)^2 -4(0) +5
= 0+0+5 = 5
