Question 4215
f(-3)=17 means when x=-3, y=17
f(2)=-1/2 means when x=2, y=-1/2.


Put these 2 sets of information into the function to get 2 equations. However, as there are 3unknowns (a, b and c) you will need a third equation too: f(x)=1?? is this a typo on your part? shouldn't the x be a number?


Once you have the 3 equations, you will have to solve them simultaneously either by substitution or elimination.


Jon.