Can anybody plz solve the question 9 in nov 06 paper 4 and attach it for me...
Inequalities... I HATE IT.. plzz heeelp i'm dying for it......
right um the inequalities to start of with
so he works no more than 12 hours
if x was washing cars and y was repairing cycles
that means that when he does both it would take him max. 12 hours
so x+y<=12
for the second one
he spends at least 4 hours so it would be x>= 4
when u plot the points
if the equation was less than
u would shade the right side because it is more than etc.
then for the least u just follow on the graph
(4,4)
and for the most
(6,6)
if u need further explanation do tell
