Question

.

Answer 1

f(x)=x^2-3x+2
by putting the values f(x)=-1
f(-1)=(-1)^2-3(-1)+2
=1+3+2=6

Answer 2

ok i had one last one:
f(x) = (x + 2)/6 for f(-6)

? I tried to put on wolffram but its doesn't work ?