Submitted by Ginger on Sat, 01/14/2017 - 13:53
Forums:
I am on the second part of the step Question where I have to find and prove the maximum and minimum values when c>0. Any help would be appreciated thank you.
Submitted by Ginger on Sat, 01/14/2017 - 13:53
I am on the second part of the step Question where I have to find and prove the maximum and minimum values when c>0. Any help would be appreciated thank you.
© 2024 University of Cambridge
C is a number so it is either
C is a number so it is either positive or negative . If you square u can't get negative and so maximum is biggest >0 (srry for no mathjax I'm learn)
Assignment 1?
I think you are thinking about assignment 1 here (where $c$ can be negative). In assignment 2 you are told that $c$ is positive.
Oops I meant $ c€R$ To be
Oops I meant $ c€R$ To be official
Assignment 2
Think about what the quadratic will look like. Parts (iv) to (vii) of question 2 are meant to prepare you for this part as they are all quadratics but in some cases the minimum value occurs at one end of the given range of $x$ and in others it doesn't.