Reading a graph
Reading a graph
A graph of y=f(x)y=f(x)y=f(x) shows all points (x,y)(x,y)(x,y) that satisfy the rule. In sketch questions, your first aim is to find the key features you can label exactly.
Reading a graph
Reading a graph
A graph of y=f(x)y=f(x)y=f(x) shows all points (x,y)(x,y)(x,y) that satisfy the rule. In sketch questions, your first aim is to find the key features you can label exactly.