A. State whether the following equations represents a quadratic
function. Write QF if it represents quadratic function and NOF if
not on a one whole sheet of paper.
1. y= 2(x + 3)2
2. y= 3x -2
3. y= x3 – 2x + 5
4. y= 2% +11
5. y=(x - 2)2 - 7​