hard questions Flashcards
1
Q
A
if a square root is present, then youd have to use cos^2x or smth like that and manipulate it to x
2
Q
A
complete square, draw curve, recongise that its not a one to one function so you have to restrict the domain to where its a one to one function so restrict to x >/ 3
therefore the smallest value of a = 3
3
Q
6a
A