Q1) A function f is defined by f(x)=|x^2-3x|. Find the values of x for which f(x)=x-3.

Q2) Find the

**x-coordinates**of the

**points of intersection**of the

**curve**y=|16-x^2| and the

**line**y=33.

Q3) Find the x-coordinates of all the points at which the graph of y=|x^2-9|-5 meets the x-axis.