Answer:
What can you say about a straight line with an undefined gradient. ... Rearrange it into the form y=mx+c then read off the gradient. ... What does it mean if 3 points are said to be collinear? For the recurrence relation Un+1=aUn+b what is the condition for a limit to If f(g(x))=x what can we say about the functions f and g
Step-by-step explanation: