Thread: graph

hi,

i'm currently doing questions on graphs of cubic functions and i'm encountering something i don't quite understand, the book keeps saying something like "the coefficient of is so the shape of the graph is the same as when x is numerically very large."

what does this mean and why? and why would it not be the case if x were small?

thanks for any info, mark

Originally Posted by mark

hi,

i'm currently doing questions on graphs of cubic functions and i'm encountering something i don't quite understand, the book keeps saying something like "the coefficient of is so the shape of the graph is the same as when x is numerically very large."

what does this mean and why? and why would it not be the case if x were small?

thanks for any info, mark

look at the graphs ...

i see, so the larger the coefficient of x, the closer the line of the graph is to the y axis. but i thought it was more to do with what the actual value of was rather than the coefficient?