if f(4)=54²-4x+5 find. f (1)+f(-1)+f(0)
Answers
Answered by
1
Answer:
f(x) = {5x}^{2} - 4x + 5
Now,
f(1) = {5(1)}^{2} - 4(1) + 5 = 5 - 4 + 5
= 10 - 4 = 6
f( - 1) = {5( - 1)}^{2} - 4( - 1) + 5 = - 5 + 4 + 5 = 4
f(0) = {5(0)}^{2} - 4(0) + 5
= 0 - 0 + 5 = 5
Similar questions