90.6k views
2 votes
Which is a quadratic function? f(x) = 2x x 3 f(x) = 0x^2 – 4x 7 f(x) = 5x^2 – 4x 5 f(x) = 3x^3 2x 2

1 Answer

3 votes
It's f(x) = 5x^2 - 4x + 5
User Yosuke
by
6.8k points