- Given P(x) = x^2+7x+c and P(-3)=3, find c.
If I were to do this i would sub in -3 for x so...
3 = 9+21+c
3 = 30+c
But im not sure if this is right?
I am a little stuck with this one and unsure how to approach it??
- for the linear function f. It is known that f(1)=1 and f(-2)=-8. Find the function rule.