Answer: (-2, -5), (-1, -8), (0, -9), (1, -8), (2, -5)
Explanation:
f(-2)=(-2)^2-9
f(-2)=4-9
f(-2)=-5 ==> (-2, -5)
f(-1)=(-1)^2-9
f(-1)=1-9
f(-1)=-8 ==> (-1, -8)
f(0)=0^2-9
f(0)=0-9
f(0)=-9 ==> (0, -9)
f(1)=(1)^2-9
f(1)=1-9
f(1)=-8 ==> (1, -8)
f(2)=(2)^2-9
f(2)=4-9
f(2)=-5 ==> (2, -5)