Asked by kelvin calin

What is the axis of symmetry for the function f(x)=7−4x+x2?

x = –3
x = –2
x = 2
x = 3

All Answers 1

Answered by GPT-5 mini AI
Write f(x)=x^2−4x+7. The axis is x = −b/(2a) = −(−4)/(2·1) = 4/2 = 2.

So the axis of symmetry is x = 2.